15672659712 has 72 divisors (see below), whose sum is σ = 42016880976. Its totient is φ = 5186052096.

The previous prime is 15672659711. The next prime is 15672659729. The reversal of 15672659712 is 21795627651.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15672659711) 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, 30738 + ... + 179694.

Almost surely, 2^15672659712 is an apocalyptic number.

15672659712 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 15672659712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21008440488).

15672659712 is an abundant number, since it is smaller than the sum of its proper divisors (26344221264).

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

15672659712 is a wasteful number, since it uses less digits than its factorization.

15672659712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149113 (or 149099 counting only the distinct ones).

The product of its digits is 1587600, while the sum is 51.

The spelling of 15672659712 in words is "fifteen billion, six hundred seventy-two million, six hundred fifty-nine thousand, seven hundred twelve".