15672216506 has 8 divisors (see below), whose sum is σ = 23527902324. Its totient is φ = 7829582400.

The previous prime is 15672216499. The next prime is 15672216529. The reversal of 15672216506 is 60561227651.

15672216506 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 12974349025 + 2697867481 = 113905^2 + 51941^2 .

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 (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3259925 + ... + 3264728.

Almost surely, 2^15672216506 is an apocalyptic number.

15672216506 is a deficient number, since it is larger than the sum of its proper divisors (7855685818).

15672216506 is a wasteful number, since it uses less digits than its factorization.

15672216506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6525856.

The product of its (nonzero) digits is 151200, while the sum is 41.

The spelling of 15672216506 in words is "fifteen billion, six hundred seventy-two million, two hundred sixteen thousand, five hundred six".