16140047172 has 24 divisors (see below), whose sum is σ = 37680819456. Its totient is φ = 5377057248.

The previous prime is 16140047171. The next prime is 16140047269. The reversal of 16140047172 is 27174004161.

It is a super-2 number, since 2×16140047172² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (16140047171) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 347023 + ... + 390774.

It is an arithmetic number, because the mean of its divisors is an integer number (1570034144).

Almost surely, 2^16140047172 is an apocalyptic number.

16140047172 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

16140047172 is an abundant number, since it is smaller than the sum of its proper divisors (21540772284).

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

16140047172 is a wasteful number, since it uses less digits than its factorization.

16140047172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 739627 (or 739625 counting only the distinct ones).

The product of its (nonzero) digits is 9408, while the sum is 33.

The spelling of 16140047172 in words is "sixteen billion, one hundred forty million, forty-seven thousand, one hundred seventy-two".