16140466405504 has 32 divisors (see below), whose sum is σ = 36748383336000. Its totient is φ = 6917342744832.

The previous prime is 16140466405493. The next prime is 16140466405517. The reversal of 16140466405504 is 40550466404161.

It is a tau number, because it is divible by the number of its divisors (32).

It is a super-2 number, since 2×16140466405504² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9006955804 + ... + 9006957595.

It is an arithmetic number, because the mean of its divisors is an integer number (1148386979250).

Almost surely, 2^{16140466405504} is an apocalyptic number.

16140466405504 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

16140466405504 is an abundant number, since it is smaller than the sum of its proper divisors (20607916930496).

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

16140466405504 is an equidigital number, since it uses as much as digits as its factorization.

16140466405504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18013913420 (or 18013913408 counting only the distinct ones).

The product of its (nonzero) digits is 1382400, while the sum is 46.

The spelling of 16140466405504 in words is "sixteen trillion, one hundred forty billion, four hundred sixty-six million, four hundred five thousand, five hundred four".