61390763166 has 32 divisors (see below), whose sum is σ = 122965942176. Its totient is φ = 20432880000.

The previous prime is 61390763153. The next prime is 61390763173. The reversal of 61390763166 is 66136709316.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17335356 + ... + 17338896.

It is an arithmetic number, because the mean of its divisors is an integer number (3842685693).

Almost surely, 2^61390763166 is an apocalyptic number.

61390763166 is an abundant number, since it is smaller than the sum of its proper divisors (61575179010).

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

61390763166 is a wasteful number, since it uses less digits than its factorization.

61390763166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7068.

The product of its (nonzero) digits is 734832, while the sum is 48.

The spelling of 61390763166 in words is "sixty-one billion, three hundred ninety million, seven hundred sixty-three thousand, one hundred sixty-six".