16534049172 has 48 divisors (see below), whose sum is σ = 40077120384. Its totient is φ = 5301184000.

The previous prime is 16534049117. The next prime is 16534049179. The reversal of 16534049172 is 27194043561.

It is a super-2 number, since 2×16534049172² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16534049179) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 201729 + ... + 271592.

It is an arithmetic number, because the mean of its divisors is an integer number (834940008).

Almost surely, 2^16534049172 is an apocalyptic number.

16534049172 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

16534049172 is an abundant number, since it is smaller than the sum of its proper divisors (23543071212).

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

16534049172 is a wasteful number, since it uses less digits than its factorization.

16534049172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 473440 (or 473438 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 42.

It can be divided in two parts, 1653404 and 9172, that added together give a triangular number (1662576 = T₁₈₂₃).

The spelling of 16534049172 in words is "sixteen billion, five hundred thirty-four million, forty-nine thousand, one hundred seventy-two".