612161073377580 has 192 divisors, whose sum is σ = 1777596478737408. Its totient is φ = 157334268026880.

The previous prime is 612161073377531. The next prime is 612161073377593. The reversal of 612161073377580 is 85773370161216.

It is a self number, because there is not a number n which added to its sum of digits gives 612161073377580.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 26430607 + ... + 43850873.

It is an arithmetic number, because the mean of its divisors is an integer number (9258314993424).

Almost surely, 2^{612161073377580} is an apocalyptic number.

612161073377580 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 612161073377580, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (888798239368704).

612161073377580 is an abundant number, since it is smaller than the sum of its proper divisors (1165435405359828).

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

612161073377580 is a wasteful number, since it uses less digits than its factorization.

612161073377580 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17420536 (or 17420534 counting only the distinct ones).

The product of its (nonzero) digits is 8890560, while the sum is 57.

The spelling of 612161073377580 in words is "six hundred twelve trillion, one hundred sixty-one billion, seventy-three million, three hundred seventy-seven thousand, five hundred eighty".