5156836720 has 40 divisors (see below), whose sum is σ = 13702453344. Its totient is φ = 1768058112.

The previous prime is 5156836691. The next prime is 5156836733. The reversal of 5156836720 is 276386515.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4603759 + ... + 4604878.

Almost surely, 2^5156836720 is an apocalyptic number.

It is an amenable number.

5156836720 is an abundant number, since it is smaller than the sum of its proper divisors (8545616624).

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

5156836720 is a wasteful number, since it uses less digits than its factorization.

5156836720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9208657 (or 9208651 counting only the distinct ones).

The product of its (nonzero) digits is 302400, while the sum is 43.

The square root of 5156836720 is about 71811.1183592067. The cubic root of 5156836720 is about 1727.6713320239.

It can be divided in two parts, 51568 and 36720, that added together give a palindrome (88288).

The spelling of 5156836720 in words is "five billion, one hundred fifty-six million, eight hundred thirty-six thousand, seven hundred twenty".