2156602600 has 48 divisors (see below), whose sum is σ = 5278010400. Its totient is φ = 817237440.

The previous prime is 2156602597. The next prime is 2156602631. The reversal of 2156602600 is 62066512.

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 11 ways as a sum of consecutive naturals, for example, 279964 + ... + 287563.

It is an arithmetic number, because the mean of its divisors is an integer number (109958550).

Almost surely, 2^2156602600 is an apocalyptic number.

2156602600 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2156602600 is an abundant number, since it is smaller than the sum of its proper divisors (3121407800).

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

2156602600 is a wasteful number, since it uses less digits than its factorization.

2156602600 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 567562 (or 567553 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 2156602600 is about 46439.2355664905. The cubic root of 2156602600 is about 1291.9827290838.

The spelling of 2156602600 in words is "two billion, one hundred fifty-six million, six hundred two thousand, six hundred".