15001606650 has 48 divisors (see below), whose sum is σ = 39392460864. Its totient is φ = 3765108480.

The previous prime is 15001606643. The next prime is 15001606651. The reversal of 15001606650 is 5660610051.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (15001606651) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2938942 + ... + 2944041.

It is an arithmetic number, because the mean of its divisors is an integer number (820676268).

Almost surely, 2^15001606650 is an apocalyptic number.

15001606650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

15001606650 is an abundant number, since it is smaller than the sum of its proper divisors (24390854214).

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

15001606650 is a wasteful number, since it uses less digits than its factorization.

15001606650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5883015 (or 5883010 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 30.

The spelling of 15001606650 in words is "fifteen billion, one million, six hundred six thousand, six hundred fifty".