15676646144 has 36 divisors (see below), whose sum is σ = 31595914896. Its totient is φ = 7762209792.

The previous prime is 15676646137. The next prime is 15676646147. The reversal of 15676646144 is 44164667651.

It is a junction number, because it is equal to n+sod(n) for n = 15676646092 and 15676646101.

It is not an unprimeable number, because it can be changed into a prime (15676646147) 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, 270899 + ... + 323634.

Almost surely, 2^15676646144 is an apocalyptic number.

It is an amenable number.

15676646144 is an abundant number, since it is smaller than the sum of its proper divisors (15919268752).

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

15676646144 is an equidigital number, since it uses as much as digits as its factorization.

15676646144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 594652 (or 594638 counting only the distinct ones).

The product of its digits is 2903040, while the sum is 50.

The spelling of 15676646144 in words is "fifteen billion, six hundred seventy-six million, six hundred forty-six thousand, one hundred forty-four".