15266532216 has 32 divisors (see below), whose sum is σ = 41102202960. Its totient is φ = 4697394432.

The previous prime is 15266532161. The next prime is 15266532217. The reversal of 15266532216 is 61223566251.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15266532217) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24465285 + ... + 24465908.

Almost surely, 2^15266532216 is an apocalyptic number.

It is an amenable number.

15266532216 is an abundant number, since it is smaller than the sum of its proper divisors (25835670744).

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

15266532216 is a wasteful number, since it uses less digits than its factorization.

15266532216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48931215 (or 48931211 counting only the distinct ones).

The product of its digits is 129600, while the sum is 39.

The spelling of 15266532216 in words is "fifteen billion, two hundred sixty-six million, five hundred thirty-two thousand, two hundred sixteen".