2164470156 has 18 divisors (see below), whose sum is σ = 5471299652. Its totient is φ = 721490040.

The previous prime is 2164470149. The next prime is 2164470167. The reversal of 2164470156 is 6510744612.

2164470156 is a `hidden beast` number, since 2 + 1 + 644 + 7 + 0 + 1 + 5 + 6 = 666.

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 60124171 = 2164470156 / (2 + 1 + 6 + 4 + 4 + 7 + 0 + 1 + 5 + 6).

It is a self number, because there is not a number n which added to its sum of digits gives 2164470156.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 30062050 + ... + 30062121.

Almost surely, 2^2164470156 is an apocalyptic number.

It is an amenable number.

2164470156 is an abundant number, since it is smaller than the sum of its proper divisors (3306829496).

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

2164470156 is a wasteful number, since it uses less digits than its factorization.

2164470156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60124181 (or 60124176 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 36.

The square root of 2164470156 is about 46523.8665203141. The cubic root of 2164470156 is about 1293.5519272766.

The spelling of 2164470156 in words is "two billion, one hundred sixty-four million, four hundred seventy thousand, one hundred fifty-six".