61626066 has 8 divisors (see below), whose sum is σ = 123252144. Its totient is φ = 20542020.

The previous prime is 61626049. The next prime is 61626077. The reversal of 61626066 is 66062616.

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

61626066 is an admirable 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, 5135500 + ... + 5135511.

It is an arithmetic number, because the mean of its divisors is an integer number (15406518).

Almost surely, 2^61626066 is an apocalyptic number.

61626066 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.

61626066 is a wasteful number, since it uses less digits than its factorization.

61626066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10271016.

The product of its (nonzero) digits is 15552, while the sum is 33.

The square root of 61626066 is about 7850.2271304721. The cubic root of 61626066 is about 394.9918622476.

The spelling of 61626066 in words is "sixty-one million, six hundred twenty-six thousand, sixty-six".