4156693868 has 12 divisors (see below), whose sum is σ = 7702109352. Its totient is φ = 1956091200.

The previous prime is 4156693861. The next prime is 4156693913. The reversal of 4156693868 is 8683966514.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (4156693861) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30563858 + ... + 30563993.

It is an arithmetic number, because the mean of its divisors is an integer number (641842446).

Almost surely, 2^4156693868 is an apocalyptic number.

It is an amenable number.

4156693868 is a deficient number, since it is larger than the sum of its proper divisors (3545415484).

4156693868 is a wasteful number, since it uses less digits than its factorization.

4156693868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61127872 (or 61127870 counting only the distinct ones).

The product of its digits is 7464960, while the sum is 56.

The square root of 4156693868 is about 64472.4271917849. The cubic root of 4156693868 is about 1607.8641312186.

The spelling of 4156693868 in words is "four billion, one hundred fifty-six million, six hundred ninety-three thousand, eight hundred sixty-eight".