2156710752 has 192 divisors, whose sum is σ = 7357109760. Its totient is φ = 601800192.

The previous prime is 2156710711. The next prime is 2156710789. The reversal of 2156710752 is 2570176512.

2156710752 is a `hidden beast` number, since 21 + 567 + 1 + 0 + 75 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 255918 + ... + 264210.

It is an arithmetic number, because the mean of its divisors is an integer number (38318280).

Almost surely, 2^2156710752 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2156710752, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3678554880).

2156710752 is an abundant number, since it is smaller than the sum of its proper divisors (5200399008).

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

2156710752 is a wasteful number, since it uses less digits than its factorization.

2156710752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8362 (or 8348 counting only the distinct ones).

The product of its (nonzero) digits is 29400, while the sum is 36.

The square root of 2156710752 is about 46440.3999982774. The cubic root of 2156710752 is about 1292.0043260438.

The spelling of 2156710752 in words is "two billion, one hundred fifty-six million, seven hundred ten thousand, seven hundred fifty-two".