16425521560 has 32 divisors (see below), whose sum is σ = 42237056160. Its totient is φ = 5631607296.

The previous prime is 16425521537. The next prime is 16425521561. The reversal of 16425521560 is 6512552461.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16425521561) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29331009 + ... + 29331568.

It is an arithmetic number, because the mean of its divisors is an integer number (1319908005).

Almost surely, 2^16425521560 is an apocalyptic number.

16425521560 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16425521560 is an abundant number, since it is smaller than the sum of its proper divisors (25811534600).

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

16425521560 is a wasteful number, since it uses less digits than its factorization.

16425521560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58662595 (or 58662591 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 37.

The spelling of 16425521560 in words is "sixteen billion, four hundred twenty-five million, five hundred twenty-one thousand, five hundred sixty".