2167679432 has 8 divisors (see below), whose sum is σ = 4064398950. Its totient is φ = 1083839712.

The previous prime is 2167679399. The next prime is 2167679491. The reversal of 2167679432 is 2349767612.

It can be written as a sum of positive squares in only one way, i.e., 1786414756 + 381264676 = 42266^2 + 19526^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 135479957 + ... + 135479972.

Almost surely, 2^2167679432 is an apocalyptic number.

It is an amenable number.

2167679432 is a deficient number, since it is larger than the sum of its proper divisors (1896719518).

2167679432 is a wasteful number, since it uses less digits than its factorization.

2167679432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 270959935 (or 270959931 counting only the distinct ones).

The product of its digits is 762048, while the sum is 47.

The square root of 2167679432 is about 46558.3443863718. The cubic root of 2167679432 is about 1294.1909312500.

The spelling of 2167679432 in words is "two billion, one hundred sixty-seven million, six hundred seventy-nine thousand, four hundred thirty-two".