15616001296 has 45 divisors (see below), whose sum is σ = 35203645911. Its totient is φ = 6691072416.

The previous prime is 15616001273. The next prime is 15616001329. The reversal of 15616001296 is 69210061651.

The square root of 15616001296 is 124964.

It is a perfect power (a square), and thus also a powerful number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 3496761 + ... + 3501223.

Almost surely, 2^15616001296 is an apocalyptic number.

15616001296 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

15616001296 is the 124964-th square number.

It is an amenable number.

15616001296 is an abundant number, since it is smaller than the sum of its proper divisors (19587644615).

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

15616001296 is an frugal number, since it uses more digits than its factorization.

15616001296 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8948 (or 4472 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 37.

The spelling of 15616001296 in words is "fifteen billion, six hundred sixteen million, one thousand, two hundred ninety-six".