196538151904 has 48 divisors (see below), whose sum is σ = 399484020096. Its totient is φ = 95082969600.

The previous prime is 196538151871. The next prime is 196538151911. The reversal of 196538151904 is 409151835691.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7547034 + ... + 7573030.

It is an arithmetic number, because the mean of its divisors is an integer number (8322583752).

Almost surely, 2^196538151904 is an apocalyptic number.

It is an amenable number.

196538151904 is an abundant number, since it is smaller than the sum of its proper divisors (202945868192).

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

196538151904 is a wasteful number, since it uses less digits than its factorization.

196538151904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33659 (or 33651 counting only the distinct ones).

The product of its (nonzero) digits is 1166400, while the sum is 52.

The spelling of 196538151904 in words is "one hundred ninety-six billion, five hundred thirty-eight million, one hundred fifty-one thousand, nine hundred four".