15156662002 has 16 divisors (see below), whose sum is σ = 22775806872. Its totient is φ = 7564740480.

The previous prime is 15156661937. The next prime is 15156662021. The reversal of 15156662002 is 20026665151.

It can be written as a sum of positive squares in 4 ways, for example, as 2864283361 + 12292378641 = 53519^2 + 110871^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3525118 + ... + 3529414.

Almost surely, 2^15156662002 is an apocalyptic number.

15156662002 is a deficient number, since it is larger than the sum of its proper divisors (7619144870).

15156662002 is a wasteful number, since it uses less digits than its factorization.

15156662002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7053.

The product of its (nonzero) digits is 21600, while the sum is 34.

The spelling of 15156662002 in words is "fifteen billion, one hundred fifty-six million, six hundred sixty-two thousand, two".