196877632253481 has 27 divisors (see below), whose sum is σ = 285456320214871. Its totient is φ = 130756309314864.

The previous prime is 196877632253459. The next prime is 196877632253501. The reversal of 196877632253481 is 184352236778691.

The square root of 196877632253481 is 14031309.

It is a perfect power (a square), and thus also a powerful number.

196877632253481 is a `hidden beast` number, since 1 + 9 + 6 + 8 + 7 + 7 + 6 + 3 + 2 + 2 + 534 + 81 = 666.

196877632253481 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 12953585593881 + 183924046659600 = 3599109^2 + 13561860^2 .

It is not a de Polignac number, because 196877632253481 - 2¹⁵ = 196877632220713 is a prime.

It is a super-2 number, since 2×196877632253481² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (196877632233481) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 11323257670 + ... + 11323275056.

Almost surely, 2^{196877632253481} is an apocalyptic number.

196877632253481 is the 14031309-th square number.

196877632253481 is the 7015655-th centered octagonal number.

It is an amenable number.

196877632253481 is a deficient number, since it is larger than the sum of its proper divisors (88578687961390).

196877632253481 is an frugal number, since it uses more digits than its factorization.

196877632253481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35318 (or 17659 counting only the distinct ones).

The product of its digits is 731566080, while the sum is 72.

The spelling of 196877632253481 in words is "one hundred ninety-six trillion, eight hundred seventy-seven billion, six hundred thirty-two million, two hundred fifty-three thousand, four hundred eighty-one".