2158670692 has 12 divisors (see below), whose sum is σ = 3865526896. Its totient is φ = 1054234440.

The previous prime is 2158670671. The next prime is 2158670707. The reversal of 2158670692 is 2960768512.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6275034 + ... + 6275377.

Almost surely, 2^2158670692 is an apocalyptic number.

It is an amenable number.

2158670692 is a deficient number, since it is larger than the sum of its proper divisors (1706856204).

2158670692 is a wasteful number, since it uses less digits than its factorization.

2158670692 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12550458 (or 12550456 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 46.

The square root of 2158670692 is about 46461.4968764460. The cubic root of 2158670692 is about 1292.3955830032.

The spelling of 2158670692 in words is "two billion, one hundred fifty-eight million, six hundred seventy thousand, six hundred ninety-two".