166536153534 has 16 divisors (see below), whose sum is σ = 335278085760. Its totient is φ = 55144421400.

The previous prime is 166536153503. The next prime is 166536153541. The reversal of 166536153534 is 435351635661.

It is a Curzon number.

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, 91906464 + ... + 91908275.

It is an arithmetic number, because the mean of its divisors is an integer number (20954880360).

Almost surely, 2^166536153534 is an apocalyptic number.

166536153534 is an abundant number, since it is smaller than the sum of its proper divisors (168741932226).

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

166536153534 is a wasteful number, since it uses less digits than its factorization.

166536153534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 183814895.

The product of its digits is 2916000, while the sum is 48.

The spelling of 166536153534 in words is "one hundred sixty-six billion, five hundred thirty-six million, one hundred fifty-three thousand, five hundred thirty-four".