2156244152 has 16 divisors (see below), whose sum is σ = 4082988600. Its totient is φ = 1067447200.

The previous prime is 2156244133. The next prime is 2156244179. The reversal of 2156244152 is 2514426512.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1333502 + ... + 1335117.

Almost surely, 2^2156244152 is an apocalyptic number.

It is an amenable number.

2156244152 is a deficient number, since it is larger than the sum of its proper divisors (1926744448).

2156244152 is a wasteful number, since it uses less digits than its factorization.

2156244152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2668726 (or 2668722 counting only the distinct ones).

The product of its digits is 19200, while the sum is 32.

The square root of 2156244152 is about 46435.3760833268. The cubic root of 2156244152 is about 1291.9111451512.

The spelling of 2156244152 in words is "two billion, one hundred fifty-six million, two hundred forty-four thousand, one hundred fifty-two".