153400161605556 has 24 divisors (see below), whose sum is σ = 358451704224544. Its totient is φ = 51059388085920.

The previous prime is 153400161605521. The next prime is 153400161605563. The reversal of 153400161605556 is 655506161004351.

It is a happy number.

It is a super-2 number, since 2×153400161605556² (a number of 29 digits) contains 22 as substring.

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, 9249880855 + ... + 9249897438.

Almost surely, 2^{153400161605556} is an apocalyptic number.

It is an amenable number.

153400161605556 is an abundant number, since it is smaller than the sum of its proper divisors (205051542618988).

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

153400161605556 is a wasteful number, since it uses less digits than its factorization.

153400161605556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18499778991 (or 18499778989 counting only the distinct ones).

The product of its (nonzero) digits is 1620000, while the sum is 48.

The spelling of 153400161605556 in words is "one hundred fifty-three trillion, four hundred billion, one hundred sixty-one million, six hundred five thousand, five hundred fifty-six".