2156676592 has 120 divisors (see below), whose sum is σ = 5019750144. Its totient is φ = 894531456.

The previous prime is 2156676589. The next prime is 2156676607. The reversal of 2156676592 is 2956766512.

It is a Harshad number since it is a multiple of its sum of digits (49).

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 23 ways as a sum of consecutive naturals, for example, 3942463 + ... + 3943009.

Almost surely, 2^2156676592 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 2156676592, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2509875072).

2156676592 is an abundant number, since it is smaller than the sum of its proper divisors (2863073552).

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

2156676592 is a wasteful number, since it uses less digits than its factorization.

2156676592 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 723 (or 710 counting only the distinct ones).

The product of its digits is 1360800, while the sum is 49.

The square root of 2156676592 is about 46440.0322135978. The cubic root of 2156676592 is about 1291.9975046839.

The spelling of 2156676592 in words is "two billion, one hundred fifty-six million, six hundred seventy-six thousand, five hundred ninety-two".