16445006460 has 72 divisors (see below), whose sum is σ = 49922767440. Its totient is φ = 4381855488.

The previous prime is 16445006437. The next prime is 16445006477. The reversal of 16445006460 is 6460054461.

16445006460 is a `hidden beast` number, since 1 + 6 + 4 + 4 + 5 + 0 + 0 + 646 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 195336 + ... + 266544.

It is an arithmetic number, because the mean of its divisors is an integer number (693371770).

Almost surely, 2^16445006460 is an apocalyptic number.

16445006460 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16445006460 is an abundant number, since it is smaller than the sum of its proper divisors (33477760980).

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

16445006460 is a wasteful number, since it uses less digits than its factorization.

16445006460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72507 (or 72502 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 36.

The spelling of 16445006460 in words is "sixteen billion, four hundred forty-five million, six thousand, four hundred sixty".