61165064 has 16 divisors (see below), whose sum is σ = 116629200. Its totient is φ = 30063952.

The previous prime is 61165057. The next prime is 61165067. The reversal of 61165064 is 46056116.

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 3 ways as a sum of consecutive naturals, for example, 64322 + ... + 65265.

It is an arithmetic number, because the mean of its divisors is an integer number (7289325).

Almost surely, 2^61165064 is an apocalyptic number.

It is an amenable number.

61165064 is a deficient number, since it is larger than the sum of its proper divisors (55464136).

61165064 is a wasteful number, since it uses less digits than its factorization.

61165064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129652 (or 129648 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 61165064 is about 7820.8096767534. The cubic root of 61165064 is about 394.0044662673.

The spelling of 61165064 in words is "sixty-one million, one hundred sixty-five thousand, sixty-four".