608155631064 has 128 divisors (see below), whose sum is σ = 1726039756800. Its totient is φ = 198316200960.

The previous prime is 608155631053. The next prime is 608155631087. The reversal of 608155631064 is 460136551806.

608155631064 is a `hidden beast` number, since 6 + 0 + 8 + 1 + 5 + 5 + 631 + 0 + 6 + 4 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 24829704 + ... + 24854184.

It is an arithmetic number, because the mean of its divisors is an integer number (13484685600).

Almost surely, 2^608155631064 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 608155631064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (863019878400).

608155631064 is an abundant number, since it is smaller than the sum of its proper divisors (1117884125736).

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

608155631064 is a wasteful number, since it uses less digits than its factorization.

608155631064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26990 (or 26980 counting only the distinct ones).

The product of its (nonzero) digits is 518400, while the sum is 45.

The spelling of 608155631064 in words is "six hundred eight billion, one hundred fifty-five million, six hundred thirty-one thousand, sixty-four".