15605650016 has 24 divisors (see below), whose sum is σ = 33516680904. Its totient is φ = 7093477120.

The previous prime is 15605650013. The next prime is 15605650103. The reversal of 15605650016 is 61005650651.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15605650013) 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, 22166765 + ... + 22167468.

It is an arithmetic number, because the mean of its divisors is an integer number (1396528371).

Almost surely, 2^15605650016 is an apocalyptic number.

15605650016 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

15605650016 is an abundant number, since it is smaller than the sum of its proper divisors (17911030888).

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

15605650016 is a wasteful number, since it uses less digits than its factorization.

15605650016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44334254 (or 44334246 counting only the distinct ones).

The product of its (nonzero) digits is 27000, while the sum is 35.

The spelling of 15605650016 in words is "fifteen billion, six hundred five million, six hundred fifty thousand, sixteen".