192651644241 has 45 divisors (see below), whose sum is σ = 334822155129. Its totient is φ = 110070852696.

The previous prime is 192651644221. The next prime is 192651644243. The reversal of 192651644241 is 142446156291.

The square root of 192651644241 is 438921.

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

192651644241 is a `hidden beast` number, since 1 + 9 + 2 + 65 + 164 + 424 + 1 = 666.

It is not a de Polignac number, because 192651644241 - 2⁷ = 192651644113 is a prime.

It is a super-2 number, since 2×192651644241² (a number of 23 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (192651644243) by changing a digit.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 27648540 + ... + 27655506.

Almost surely, 2^192651644241 is an apocalyptic number.

192651644241 is the 438921-st square number.

192651644241 is the 219461-st centered octagonal number.

It is an amenable number.

192651644241 is a deficient number, since it is larger than the sum of its proper divisors (142170510888).

192651644241 is an frugal number, since it uses more digits than its factorization.

192651644241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13960 (or 6977 counting only the distinct ones).

The product of its digits is 414720, while the sum is 45.

The spelling of 192651644241 in words is "one hundred ninety-two billion, six hundred fifty-one million, six hundred forty-four thousand, two hundred forty-one".