15423656216 has 32 divisors (see below), whose sum is σ = 29066491200. Its totient is φ = 7672678560.

The previous prime is 15423656161. The next prime is 15423656243. The reversal of 15423656216 is 61265632451.

It is a happy number.

It is a congruent number.

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, 1559495 + ... + 1569353.

It is an arithmetic number, because the mean of its divisors is an integer number (908327850).

Almost surely, 2^15423656216 is an apocalyptic number.

It is an amenable number.

15423656216 is a deficient number, since it is larger than the sum of its proper divisors (13642834984).

15423656216 is a wasteful number, since it uses less digits than its factorization.

15423656216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10839 (or 10835 counting only the distinct ones).

The product of its digits is 259200, while the sum is 41.

The spelling of 15423656216 in words is "fifteen billion, four hundred twenty-three million, six hundred fifty-six thousand, two hundred sixteen".