61550056166 has 8 divisors (see below), whose sum is σ = 92936509104. Its totient is φ = 30571219800.

The previous prime is 61550056159. The next prime is 61550056181. The reversal of 61550056166 is 66165005516.

It is a sphenic number, since it is the product of 3 distinct primes.

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 3 ways as a sum of consecutive naturals, for example, 101903765 + ... + 101904368.

It is an arithmetic number, because the mean of its divisors is an integer number (11617063638).

Almost surely, 2^61550056166 is an apocalyptic number.

61550056166 is a deficient number, since it is larger than the sum of its proper divisors (31386452938).

61550056166 is a wasteful number, since it uses less digits than its factorization.

61550056166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 203808286.

The product of its (nonzero) digits is 162000, while the sum is 41.

The spelling of 61550056166 in words is "sixty-one billion, five hundred fifty million, fifty-six thousand, one hundred sixty-six".