612133740594 has 160 divisors (see below), whose sum is σ = 1430956506672. Its totient is φ = 195416064000.

The previous prime is 612133740563. The next prime is 612133740613. The reversal of 612133740594 is 495047331216.

612133740594 is a `hidden beast` number, since 6 + 1 + 2 + 13 + 3 + 7 + 40 + 594 = 666.

It can be written as a sum of positive squares in 8 ways, for example, as 41345935569 + 570787805025 = 203337^2 + 755505^2 .

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 259707664 + ... + 259710020.

Almost surely, 2^612133740594 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 612133740594, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (715478253336).

612133740594 is an abundant number, since it is smaller than the sum of its proper divisors (818822766078).

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

612133740594 is a wasteful number, since it uses less digits than its factorization.

612133740594 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3114 (or 3105 counting only the distinct ones).

The product of its (nonzero) digits is 544320, while the sum is 45.

The spelling of 612133740594 in words is "six hundred twelve billion, one hundred thirty-three million, seven hundred forty thousand, five hundred ninety-four".