61179560 has 64 divisors (see below), whose sum is σ = 153392400. Its totient is φ = 21805056.

The previous prime is 61179557. The next prime is 61179577. The reversal of 61179560 is 6597116.

It can be written as a sum of positive squares in 8 ways, for example, as 16048036 + 45131524 = 4006^2 + 6718^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 61179560.

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, 13052 + ... + 17108.

Almost surely, 2^61179560 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 61179560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (76696200).

61179560 is an abundant number, since it is smaller than the sum of its proper divisors (92212840).

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

61179560 is a wasteful number, since it uses less digits than its factorization.

61179560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4110 (or 4106 counting only the distinct ones).

The product of its (nonzero) digits is 11340, while the sum is 35.

The square root of 61179560 is about 7821.7363801141. The cubic root of 61179560 is about 394.0355899035.

The spelling of 61179560 in words is "sixty-one million, one hundred seventy-nine thousand, five hundred sixty".