613504164 has 96 divisors (see below), whose sum is σ = 1822705920. Its totient is φ = 156215808.

The previous prime is 613504147. The next prime is 613504183. The reversal of 613504164 is 461405316.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 21982 + ... + 41354.

It is an arithmetic number, because the mean of its divisors is an integer number (18986520).

Almost surely, 2^613504164 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 613504164, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (911352960).

613504164 is an abundant number, since it is smaller than the sum of its proper divisors (1209201756).

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

613504164 is a wasteful number, since it uses less digits than its factorization.

613504164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19429 (or 19427 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 613504164 is about 24769.0162097730. The cubic root of 613504164 is about 849.7134738988.

The spelling of 613504164 in words is "six hundred thirteen million, five hundred four thousand, one hundred sixty-four".