16450012560 has 40 divisors (see below), whose sum is σ = 50995039680. Its totient is φ = 4386669952.

The previous prime is 16450012493. The next prime is 16450012573. The reversal of 16450012560 is 6521005461.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (30).

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, 34270620 + ... + 34271099.

It is an arithmetic number, because the mean of its divisors is an integer number (1274875992).

Almost surely, 2^16450012560 is an apocalyptic number.

16450012560 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16450012560 is an abundant number, since it is smaller than the sum of its proper divisors (34545027120).

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

16450012560 is a wasteful number, since it uses less digits than its factorization.

16450012560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68541735 (or 68541729 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 30.

The spelling of 16450012560 in words is "sixteen billion, four hundred fifty million, twelve thousand, five hundred sixty".