15551660602 has 8 divisors (see below), whose sum is σ = 23362891200. Its totient is φ = 7764030204.

The previous prime is 15551660581. The next prime is 15551660623. The reversal of 15551660602 is 20606615551.

It is an interprime number because it is at equal distance from previous prime (15551660581) and next prime (15551660623).

It is a sphenic number, since it is the product of 3 distinct primes.

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, 5898402 + ... + 5901037.

It is an arithmetic number, because the mean of its divisors is an integer number (2920361400).

Almost surely, 2^15551660602 is an apocalyptic number.

15551660602 is a deficient number, since it is larger than the sum of its proper divisors (7811230598).

15551660602 is a wasteful number, since it uses less digits than its factorization.

15551660602 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11800100.

The product of its (nonzero) digits is 54000, while the sum is 37.

The spelling of 15551660602 in words is "fifteen billion, five hundred fifty-one million, six hundred sixty thousand, six hundred two".