2132697656 has 16 divisors (see below), whose sum is σ = 4096340640. Its totient is φ = 1040340160.

The previous prime is 2132697647. The next prime is 2132697661. The reversal of 2132697656 is 6567962312.

It is a self number, because there is not a number n which added to its sum of digits gives 2132697656.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3250736 + ... + 3251391.

It is an arithmetic number, because the mean of its divisors is an integer number (256021290).

Almost surely, 2^2132697656 is an apocalyptic number.

It is an amenable number.

2132697656 is a deficient number, since it is larger than the sum of its proper divisors (1963642984).

2132697656 is a wasteful number, since it uses less digits than its factorization.

2132697656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6502174 (or 6502170 counting only the distinct ones).

The product of its digits is 816480, while the sum is 47.

The square root of 2132697656 is about 46181.1396134829. The cubic root of 2132697656 is about 1287.1913043311.

The spelling of 2132697656 in words is "two billion, one hundred thirty-two million, six hundred ninety-seven thousand, six hundred fifty-six".