16240656612 has 12 divisors (see below), whose sum is σ = 37894865456. Its totient is φ = 5413552200.

The previous prime is 16240656547. The next prime is 16240656617. The reversal of 16240656612 is 21665604261.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (16240656617) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 676694014 + ... + 676694037.

Almost surely, 2^16240656612 is an apocalyptic number.

16240656612 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

16240656612 is an abundant number, since it is smaller than the sum of its proper divisors (21654208844).

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

16240656612 is a wasteful number, since it uses less digits than its factorization.

16240656612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1353388058 (or 1353388056 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 39.

The spelling of 16240656612 in words is "sixteen billion, two hundred forty million, six hundred fifty-six thousand, six hundred twelve".