61118592 has 64 divisors (see below), whose sum is σ = 170911200. Its totient is φ = 19298304.

The previous prime is 61118591. The next prime is 61118597. The reversal of 61118592 is 29581116.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61118591) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3108 + ... + 11484.

Almost surely, 2^61118592 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 61118592, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (85455600).

61118592 is an abundant number, since it is smaller than the sum of its proper divisors (109792608).

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

61118592 is a wasteful number, since it uses less digits than its factorization.

61118592 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8413 (or 8401 counting only the distinct ones).

The product of its digits is 4320, while the sum is 33.

The square root of 61118592 is about 7817.8380643244. The cubic root of 61118592 is about 393.9046553973.

The spelling of 61118592 in words is "sixty-one million, one hundred eighteen thousand, five hundred ninety-two".