157533894904 has 8 divisors (see below), whose sum is σ = 295376052960. Its totient is φ = 78766947448.

The previous prime is 157533894857. The next prime is 157533894911. The reversal of 157533894904 is 409498335751.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9845868424 + ... + 9845868439.

It is an arithmetic number, because the mean of its divisors is an integer number (36922006620).

Almost surely, 2^157533894904 is an apocalyptic number.

It is an amenable number.

157533894904 is a deficient number, since it is larger than the sum of its proper divisors (137842158056).

157533894904 is a wasteful number, since it uses less digits than its factorization.

157533894904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19691736869 (or 19691736865 counting only the distinct ones).

The product of its (nonzero) digits is 16329600, while the sum is 58.

The spelling of 157533894904 in words is "one hundred fifty-seven billion, five hundred thirty-three million, eight hundred ninety-four thousand, nine hundred four".