61586116 has 6 divisors (see below), whose sum is σ = 107775710. Its totient is φ = 30793056.

The previous prime is 61586099. The next prime is 61586137. The reversal of 61586116 is 61168516.

It can be written as a sum of positive squares in only one way, i.e., 34857216 + 26728900 = 5904^2 + 5170^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7698261 + ... + 7698268.

Almost surely, 2^61586116 is an apocalyptic number.

It is an amenable number.

61586116 is a deficient number, since it is larger than the sum of its proper divisors (46189594).

61586116 is a wasteful number, since it uses less digits than its factorization.

61586116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15396533 (or 15396531 counting only the distinct ones).

The product of its digits is 8640, while the sum is 34.

The square root of 61586116 is about 7847.6822055942. The cubic root of 61586116 is about 394.9064907102.

The spelling of 61586116 in words is "sixty-one million, five hundred eighty-six thousand, one hundred sixteen".