16122891534 has 32 divisors (see below), whose sum is σ = 32409780480. Its totient is φ = 5347029312.

The previous prime is 16122891523. The next prime is 16122891559. The reversal of 16122891534 is 43519822161.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1040407 + ... + 1055789.

It is an arithmetic number, because the mean of its divisors is an integer number (1012805640).

Almost surely, 2^16122891534 is an apocalyptic number.

16122891534 is an abundant number, since it is smaller than the sum of its proper divisors (16286888946).

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

16122891534 is a wasteful number, since it uses less digits than its factorization.

16122891534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16264.

The product of its digits is 103680, while the sum is 42.

The spelling of 16122891534 in words is "sixteen billion, one hundred twenty-two million, eight hundred ninety-one thousand, five hundred thirty-four".