61082166585 has 32 divisors (see below), whose sum is σ = 106645518720. Its totient is φ = 29607436800.

The previous prime is 61082166569. The next prime is 61082166599. The reversal of 61082166585 is 58566128016.

It is not a de Polignac number, because 61082166585 - 2⁴ = 61082166569 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 572775 + ... + 670995.

It is an arithmetic number, because the mean of its divisors is an integer number (3332672460).

Almost surely, 2^61082166585 is an apocalyptic number.

It is an amenable number.

61082166585 is a deficient number, since it is larger than the sum of its proper divisors (45563352135).

61082166585 is a wasteful number, since it uses less digits than its factorization.

61082166585 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102009.

The product of its (nonzero) digits is 691200, while the sum is 48.

The spelling of 61082166585 in words is "sixty-one billion, eighty-two million, one hundred sixty-six thousand, five hundred eighty-five".