61165060 has 48 divisors (see below), whose sum is σ = 144970560. Its totient is φ = 21472640.

The previous prime is 61165057. The next prime is 61165067. The reversal of 61165060 is 6056116.

It is not an unprimeable number, because it can be changed into a prime (61165067) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1587 + ... + 11173.

It is an arithmetic number, because the mean of its divisors is an integer number (3020220).

Almost surely, 2^61165060 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 61165060, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (72485280).

61165060 is an abundant number, since it is smaller than the sum of its proper divisors (83805500).

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

61165060 is a wasteful number, since it uses less digits than its factorization.

61165060 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9636 (or 9634 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 25.

The square root of 61165060 is about 7820.8094210254. The cubic root of 61165060 is about 394.0044576784.

The spelling of 61165060 in words is "sixty-one million, one hundred sixty-five thousand, sixty".