16400877470652 has 96 divisors (see below), whose sum is σ = 40075289755200. Its totient is φ = 5213763072000.

The previous prime is 16400877470629. The next prime is 16400877470693. The reversal of 16400877470652 is 25607477800461.

It is a junction number, because it is equal to n+sod(n) for n = 16400877470592 and 16400877470601.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14243124 + ... + 15351492.

It is an arithmetic number, because the mean of its divisors is an integer number (417450934950).

Almost surely, 2^{16400877470652} is an apocalyptic number.

16400877470652 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16400877470652, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20037644877600).

16400877470652 is an abundant number, since it is smaller than the sum of its proper divisors (23674412284548).

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

16400877470652 is a wasteful number, since it uses less digits than its factorization.

16400877470652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1108927 (or 1108925 counting only the distinct ones).

The product of its (nonzero) digits is 15805440, while the sum is 57.

The spelling of 16400877470652 in words is "sixteen trillion, four hundred billion, eight hundred seventy-seven million, four hundred seventy thousand, six hundred fifty-two".