15730636916 has 12 divisors (see below), whose sum is σ = 27555904740. Its totient is φ = 7857521280.

The previous prime is 15730636907. The next prime is 15730637003. The reversal of 15730636916 is 61963603751.

It can be written as a sum of positive squares in 2 ways, for example, as 1747574416 + 13983062500 = 41804^2 + 118250^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1944755 + ... + 1952826.

It is an arithmetic number, because the mean of its divisors is an integer number (2296325395).

Almost surely, 2^15730636916 is an apocalyptic number.

It is an amenable number.

15730636916 is a deficient number, since it is larger than the sum of its proper divisors (11825267824).

15730636916 is a wasteful number, since it uses less digits than its factorization.

15730636916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3898594 (or 3898592 counting only the distinct ones).

The product of its (nonzero) digits is 612360, while the sum is 47.

The spelling of 15730636916 in words is "fifteen billion, seven hundred thirty million, six hundred thirty-six thousand, nine hundred sixteen".