4156816920 has 64 divisors (see below), whose sum is σ = 12474846720. Its totient is φ = 1108093824.

The previous prime is 4156816913. The next prime is 4156816921. The reversal of 4156816920 is 296186514.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4156816921) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 534097 + ... + 541823.

It is an arithmetic number, because the mean of its divisors is an integer number (194919480).

Almost surely, 2^4156816920 is an apocalyptic number.

4156816920 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4156816920 is an abundant number, since it is smaller than the sum of its proper divisors (8318029800).

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

4156816920 is a wasteful number, since it uses less digits than its factorization.

4156816920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12224 (or 12220 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 42.

The square root of 4156816920 is about 64473.3814841443. The cubic root of 4156816920 is about 1607.8799971088.

The spelling of 4156816920 in words is "four billion, one hundred fifty-six million, eight hundred sixteen thousand, nine hundred twenty".