61168086 has 48 divisors (see below), whose sum is σ = 158056704. Its totient is φ = 16715952.

The previous prime is 61168039. The next prime is 61168097. The reversal of 61168086 is 68086116.

It is a self number, because there is not a number n which added to its sum of digits gives 61168086.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7656 + ... + 13451.

It is an arithmetic number, because the mean of its divisors is an integer number (3292848).

Almost surely, 2^61168086 is an apocalyptic number.

61168086 is an abundant number, since it is smaller than the sum of its proper divisors (96888618).

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

61168086 is a wasteful number, since it uses less digits than its factorization.

61168086 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21145 (or 21142 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 36.

The square root of 61168086 is about 7821.0028768694. The cubic root of 61168086 is about 394.0109550580.

The spelling of 61168086 in words is "sixty-one million, one hundred sixty-eight thousand, eighty-six".