61656500908 has 12 divisors (see below), whose sum is σ = 107901585792. Its totient is φ = 30827476400.

The previous prime is 61656500879. The next prime is 61656500909. The reversal of 61656500908 is 80900565616.

It is not an unprimeable number, because it can be changed into a prime (61656500909) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9333 + ... + 351283.

It is an arithmetic number, because the mean of its divisors is an integer number (8991798816).

Almost surely, 2^61656500908 is an apocalyptic number.

It is an amenable number.

61656500908 is a deficient number, since it is larger than the sum of its proper divisors (46245084884).

61656500908 is a wasteful number, since it uses less digits than its factorization.

61656500908 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 387032 (or 387030 counting only the distinct ones).

The product of its (nonzero) digits is 388800, while the sum is 46.

The spelling of 61656500908 in words is "sixty-one billion, six hundred fifty-six million, five hundred thousand, nine hundred eight".