61010866504 has 32 divisors (see below), whose sum is σ = 131691876480. Its totient is φ = 25956653184.

The previous prime is 61010866493. The next prime is 61010866537. The reversal of 61010866504 is 40566801016.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 3968532 + ... + 3983875.

It is an arithmetic number, because the mean of its divisors is an integer number (4115371140).

Almost surely, 2^61010866504 is an apocalyptic number.

It is an amenable number.

61010866504 is an abundant number, since it is smaller than the sum of its proper divisors (70681009976).

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

61010866504 is a wasteful number, since it uses less digits than its factorization.

61010866504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7952557 (or 7952553 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 37.

The spelling of 61010866504 in words is "sixty-one billion, ten million, eight hundred sixty-six thousand, five hundred four".