5156554464 has 72 divisors (see below), whose sum is σ = 14673302280. Its totient is φ = 1717755648.

The previous prime is 5156554463. The next prime is 5156554499. The reversal of 5156554464 is 4644556515.

5156554464 is a `hidden beast` number, since 5 + 1 + 56 + 554 + 46 + 4 = 666.

It is a tau number, because it is divible by the number of its divisors (72).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5156554463) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 535807 + ... + 545345.

It is an arithmetic number, because the mean of its divisors is an integer number (203795865).

Almost surely, 2^5156554464 is an apocalyptic number.

It is an amenable number.

5156554464 is an abundant number, since it is smaller than the sum of its proper divisors (9516747816).

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

5156554464 is a wasteful number, since it uses less digits than its factorization.

5156554464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11432 (or 11421 counting only the distinct ones).

The product of its digits is 1440000, while the sum is 45.

The square root of 5156554464 is about 71809.1530656086. The cubic root of 5156554464 is about 1727.6398104715.

The spelling of 5156554464 in words is "five billion, one hundred fifty-six million, five hundred fifty-four thousand, four hundred sixty-four".