61610116 has 12 divisors (see below), whose sum is σ = 107969932. Its totient is φ = 30761568.

The previous prime is 61610111. The next prime is 61610147. The reversal of 61610116 is 61101616.

It can be written as a sum of positive squares in 2 ways, for example, as 26563716 + 35046400 = 5154^2 + 5920^2 .

It is a hoax number, since the sum of its digits (22) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (61610111) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7575 + ... + 13438.

Almost surely, 2^61610116 is an apocalyptic number.

It is an amenable number.

61610116 is a deficient number, since it is larger than the sum of its proper divisors (46359816).

61610116 is a wasteful number, since it uses less digits than its factorization.

61610116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21750 (or 21748 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 22.

The square root of 61610116 is about 7849.2111705572. The cubic root of 61610116 is about 394.9577821674.

The spelling of 61610116 in words is "sixty-one million, six hundred ten thousand, one hundred sixteen".