2137716856 has 16 divisors (see below), whose sum is σ = 4372602840. Its totient is φ = 971689440.

The previous prime is 2137716811. The next prime is 2137716859. The reversal of 2137716856 is 6586177312.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2137716859) 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, 12146031 + ... + 12146206.

Almost surely, 2^2137716856 is an apocalyptic number.

It is an amenable number.

2137716856 is an abundant number, since it is smaller than the sum of its proper divisors (2234885984).

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

2137716856 is a wasteful number, since it uses less digits than its factorization.

2137716856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24292254 (or 24292250 counting only the distinct ones).

The product of its digits is 423360, while the sum is 46.

The square root of 2137716856 is about 46235.4502086873. The cubic root of 2137716856 is about 1288.2002938772.

The spelling of 2137716856 in words is "two billion, one hundred thirty-seven million, seven hundred sixteen thousand, eight hundred fifty-six".