16149271524 has 12 divisors (see below), whose sum is σ = 37681633584. Its totient is φ = 5383090504.

The previous prime is 16149271513. The next prime is 16149271529. The reversal of 16149271524 is 42517294161.

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 (16149271529) 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, 672886302 + ... + 672886325.

It is an arithmetic number, because the mean of its divisors is an integer number (3140136132).

Almost surely, 2^16149271524 is an apocalyptic number.

It is an amenable number.

16149271524 is an abundant number, since it is smaller than the sum of its proper divisors (21532362060).

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

16149271524 is a wasteful number, since it uses less digits than its factorization.

16149271524 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1345772634 (or 1345772632 counting only the distinct ones).

The product of its digits is 120960, while the sum is 42.

The spelling of 16149271524 in words is "sixteen billion, one hundred forty-nine million, two hundred seventy-one thousand, five hundred twenty-four".