196043477872 has 30 divisors (see below), whose sum is σ = 417503753744. Its totient is φ = 89110670880.

The previous prime is 196043477843. The next prime is 196043477897. The reversal of 196043477872 is 278774340691.

It is a super-2 number, since 2×196043477872² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 50629128 + ... + 50632999.

Almost surely, 2^196043477872 is an apocalyptic number.

It is an amenable number.

196043477872 is an abundant number, since it is smaller than the sum of its proper divisors (221460275872).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

196043477872 is a wasteful number, since it uses less digits than its factorization.

196043477872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101262157 (or 101262140 counting only the distinct ones).

The product of its (nonzero) digits is 14224896, while the sum is 58.

The spelling of 196043477872 in words is "one hundred ninety-six billion, forty-three million, four hundred seventy-seven thousand, eight hundred seventy-two".