5156536488 has 32 divisors (see below), whose sum is σ = 12968544960. Its totient is φ = 1708551680.

The previous prime is 5156536481. The next prime is 5156536493. The reversal of 5156536488 is 8846356515.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 5156536488.

It is not an unprimeable number, because it can be changed into a prime (5156536481) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 639273 + ... + 647288.

It is an arithmetic number, because the mean of its divisors is an integer number (405267030).

Almost surely, 2^5156536488 is an apocalyptic number.

It is an amenable number.

5156536488 is an abundant number, since it is smaller than the sum of its proper divisors (7812008472).

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

5156536488 is a wasteful number, since it uses less digits than its factorization.

5156536488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1286737 (or 1286733 counting only the distinct ones).

The product of its digits is 3456000, while the sum is 51.

The square root of 5156536488 is about 71809.0279003970. The cubic root of 5156536488 is about 1727.6378029237.

The spelling of 5156536488 in words is "five billion, one hundred fifty-six million, five hundred thirty-six thousand, four hundred eighty-eight".