5164551612 has 72 divisors (see below), whose sum is σ = 14626593072. Its totient is φ = 1522713600.

The previous prime is 5164551577. The next prime is 5164551631. The reversal of 5164551612 is 2161554615.

5164551612 is a `hidden beast` number, since 5 + 1 + 645 + 5 + 1 + 6 + 1 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 161589 + ... + 190892.

It is an arithmetic number, because the mean of its divisors is an integer number (203147126).

Almost surely, 2^5164551612 is an apocalyptic number.

It is an amenable number.

5164551612 is an abundant number, since it is smaller than the sum of its proper divisors (9462041460).

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

5164551612 is a wasteful number, since it uses less digits than its factorization.

5164551612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 352539 (or 352534 counting only the distinct ones).

The product of its digits is 36000, while the sum is 36.

The square root of 5164551612 is about 71864.8148400871. The cubic root of 5164551612 is about 1728.5324643501.

The spelling of 5164551612 in words is "five billion, one hundred sixty-four million, five hundred fifty-one thousand, six hundred twelve".