2687166424 has 8 divisors (see below), whose sum is σ = 5038437060. Its totient is φ = 1343583208.

The previous prime is 2687166407. The next prime is 2687166431. The reversal of 2687166424 is 4246617862.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a hoax number, since the sum of its digits (46) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 167947894 + ... + 167947909.

Almost surely, 2^2687166424 is an apocalyptic number.

It is an amenable number.

2687166424 is a deficient number, since it is larger than the sum of its proper divisors (2351270636).

2687166424 is a wasteful number, since it uses less digits than its factorization.

2687166424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 335895809 (or 335895805 counting only the distinct ones).

The product of its digits is 774144, while the sum is 46.

The square root of 2687166424 is about 51837.8859908465. The cubic root of 2687166424 is about 1390.2669162901.

The spelling of 2687166424 in words is "two billion, six hundred eighty-seven million, one hundred sixty-six thousand, four hundred twenty-four".