15716479456 has 48 divisors (see below), whose sum is σ = 31160142720. Its totient is φ = 7802992000.

The previous prime is 15716479453. The next prime is 15716479463. The reversal of 15716479456 is 65497461751.

It is a Smith number, since the sum of its digits (55) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 15716479397 and 15716479406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15716479453) 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, 2784285 + ... + 2789923.

It is an arithmetic number, because the mean of its divisors is an integer number (649169640).

Almost surely, 2^15716479456 is an apocalyptic number.

15716479456 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

15716479456 is a deficient number, since it is larger than the sum of its proper divisors (15443663264).

15716479456 is a wasteful number, since it uses less digits than its factorization.

15716479456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6247 (or 6239 counting only the distinct ones).

The product of its digits is 6350400, while the sum is 55.

The spelling of 15716479456 in words is "fifteen billion, seven hundred sixteen million, four hundred seventy-nine thousand, four hundred fifty-six".