16572079840 has 48 divisors (see below), whose sum is σ = 39793390560. Its totient is φ = 6520158720.

The previous prime is 16572079801. The next prime is 16572079871. The reversal of 16572079840 is 4897027561.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 839220 + ... + 858739.

It is an arithmetic number, because the mean of its divisors is an integer number (829028970).

Almost surely, 2^16572079840 is an apocalyptic number.

16572079840 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16572079840 is an abundant number, since it is smaller than the sum of its proper divisors (23221310720).

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

16572079840 is a wasteful number, since it uses less digits than its factorization.

16572079840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1698035 (or 1698027 counting only the distinct ones).

The product of its (nonzero) digits is 846720, while the sum is 49.

The spelling of 16572079840 in words is "sixteen billion, five hundred seventy-two million, seventy-nine thousand, eight hundred forty".