2167344956 has 12 divisors (see below), whose sum is σ = 4334689968. Its totient is φ = 928862112.

The previous prime is 2167344937. The next prime is 2167344979. The reversal of 2167344956 is 6594437612.

2167344956 is an admirable number.

It is a hoax number, since the sum of its digits (47) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 2167344956.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38702561 + ... + 38702616.

It is an arithmetic number, because the mean of its divisors is an integer number (361224164).

Almost surely, 2^2167344956 is an apocalyptic number.

It is an amenable number.

2167344956 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2167344956 is a wasteful number, since it uses less digits than its factorization.

2167344956 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77405188 (or 77405186 counting only the distinct ones).

The product of its digits is 1088640, while the sum is 47.

The square root of 2167344956 is about 46554.7522386276. The cubic root of 2167344956 is about 1294.1243626628.

The spelling of 2167344956 in words is "two billion, one hundred sixty-seven million, three hundred forty-four thousand, nine hundred fifty-six".