2170900368 has 120 divisors (see below), whose sum is σ = 7477590848. Its totient is φ = 572541696.

The previous prime is 2170900337. The next prime is 2170900373. The reversal of 2170900368 is 8630090712.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 69730 + ... + 95937.

Almost surely, 2^2170900368 is an apocalyptic number.

2170900368 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

2170900368 is an abundant number, since it is smaller than the sum of its proper divisors (5306690480).

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

2170900368 is a wasteful number, since it uses less digits than its factorization.

2170900368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165701 (or 165692 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 36.

The square root of 2170900368 is about 46592.9218658800. The cubic root of 2170900368 is about 1294.8316230352.

The spelling of 2170900368 in words is "two billion, one hundred seventy million, nine hundred thousand, three hundred sixty-eight".