16400133632 has 40 divisors (see below), whose sum is σ = 34492900200. Its totient is φ = 7768479744.

The previous prime is 16400133623. The next prime is 16400133703. The reversal of 16400133632 is 23633100461.

It is a super-2 number, since 2×16400133632² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 16400133595 and 16400133604.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 833207 + ... + 852662.

It is an arithmetic number, because the mean of its divisors is an integer number (862322505).

Almost surely, 2^16400133632 is an apocalyptic number.

It is an amenable number.

16400133632 is an abundant number, since it is smaller than the sum of its proper divisors (18092766568).

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

16400133632 is an equidigital number, since it uses as much as digits as its factorization.

16400133632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1685906 (or 1685890 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 29.

The spelling of 16400133632 in words is "sixteen billion, four hundred million, one hundred thirty-three thousand, six hundred thirty-two".