16387227372 has 12 divisors (see below), whose sum is σ = 38236863896. Its totient is φ = 5462409120.

The previous prime is 16387227371. The next prime is 16387227377. The reversal of 16387227372 is 27372278361.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (16387227371) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 682801129 + ... + 682801152.

Almost surely, 2^16387227372 is an apocalyptic number.

16387227372 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

16387227372 is an abundant number, since it is smaller than the sum of its proper divisors (21849636524).

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

16387227372 is a wasteful number, since it uses less digits than its factorization.

16387227372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1365602288 (or 1365602286 counting only the distinct ones).

The product of its digits is 1185408, while the sum is 48.

The spelling of 16387227372 in words is "sixteen billion, three hundred eighty-seven million, two hundred twenty-seven thousand, three hundred seventy-two".