61625166 has 8 divisors (see below), whose sum is σ = 123250344. Its totient is φ = 20541720.

The previous prime is 61625159. The next prime is 61625177. The reversal of 61625166 is 66152616.

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

61625166 is an admirable number.

It is a super-2 number, since 2×61625166² = 7595322169055112, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5135425 + ... + 5135436.

It is an arithmetic number, because the mean of its divisors is an integer number (15406293).

Almost surely, 2^61625166 is an apocalyptic number.

61625166 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

61625166 is a wasteful number, since it uses less digits than its factorization.

61625166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10270866.

The product of its digits is 12960, while the sum is 33.

The square root of 61625166 is about 7850.1698070806. The cubic root of 61625166 is about 394.9899393902.

The spelling of 61625166 in words is "sixty-one million, six hundred twenty-five thousand, one hundred sixty-six".