2646674163 has 32 divisors (see below), whose sum is σ = 4483691520. Its totient is φ = 1511524800.

The previous prime is 2646674159. The next prime is 2646674167. The reversal of 2646674163 is 3614766462.

It is a happy number.

2646674163 is a `hidden beast` number, since 26 + 466 + 7 + 4 + 163 = 666.

2646674163 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (2646674159) and next prime (2646674167).

It is not a de Polignac number, because 2646674163 - 2² = 2646674159 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2646674167) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 491938 + ... + 497288.

It is an arithmetic number, because the mean of its divisors is an integer number (140115360).

Almost surely, 2^2646674163 is an apocalyptic number.

2646674163 is a deficient number, since it is larger than the sum of its proper divisors (1837017357).

2646674163 is a wasteful number, since it uses less digits than its factorization.

2646674163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7984 (or 7978 counting only the distinct ones).

The product of its digits is 870912, while the sum is 45.

The square root of 2646674163 is about 51445.8371785318. The cubic root of 2646674163 is about 1383.2483449730.

The spelling of 2646674163 in words is "two billion, six hundred forty-six million, six hundred seventy-four thousand, one hundred sixty-three".