613661163562140 has 48 divisors (see below), whose sum is σ = 1726394628900480. Its totient is φ = 162867417814080.

The previous prime is 613661163562133. The next prime is 613661163562159. The reversal of 613661163562140 is 41265361166316.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24236210230 + ... + 24236235549.

It is an arithmetic number, because the mean of its divisors is an integer number (35966554768760).

Almost surely, 2^{613661163562140} is an apocalyptic number.

613661163562140 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

613661163562140 is an abundant number, since it is smaller than the sum of its proper divisors (1112733465338340).

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

613661163562140 is a wasteful number, since it uses less digits than its factorization.

613661163562140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48472446002 (or 48472446000 counting only the distinct ones).

The product of its (nonzero) digits is 2799360, while the sum is 51.

The spelling of 613661163562140 in words is "six hundred thirteen trillion, six hundred sixty-one billion, one hundred sixty-three million, five hundred sixty-two thousand, one hundred forty".