613613332152 has 24 divisors (see below), whose sum is σ = 1661869441440. Its totient is φ = 204537777360.

The previous prime is 613613332097. The next prime is 613613332187. The reversal of 613613332152 is 251233316316.

613613332152 is a `hidden beast` number, since 6 + 1 + 3 + 613 + 3 + 32 + 1 + 5 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (24).

It is a super-2 number, since 2×613613332152² (a number of 24 digits) contains 22 as substring.

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 polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4261203624 + ... + 4261203767.

It is an arithmetic number, because the mean of its divisors is an integer number (69244560060).

Almost surely, 2^613613332152 is an apocalyptic number.

It is an amenable number.

613613332152 is an abundant number, since it is smaller than the sum of its proper divisors (1048256109288).

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

613613332152 is a wasteful number, since it uses less digits than its factorization.

613613332152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8522407403 (or 8522407396 counting only the distinct ones).

The product of its digits is 58320, while the sum is 36.

Adding to 613613332152 its reverse (251233316316), we get a palindrome (864846648468).

The spelling of 613613332152 in words is "six hundred thirteen billion, six hundred thirteen million, three hundred thirty-two thousand, one hundred fifty-two".