66026994 has 16 divisors (see below), whose sum is σ = 144059040. Its totient is φ = 20008160.

The previous prime is 66026977. The next prime is 66027019. The reversal of 66026994 is 49962066.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 500139 + ... + 500270.

It is an arithmetic number, because the mean of its divisors is an integer number (9003690).

Almost surely, 2^66026994 is an apocalyptic number.

66026994 is an abundant number, since it is smaller than the sum of its proper divisors (78032046).

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

66026994 is a wasteful number, since it uses less digits than its factorization.

66026994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1000425.

The product of its (nonzero) digits is 139968, while the sum is 42.

The square root of 66026994 is about 8125.6996006498. The cubic root of 66026994 is about 404.1790901248.

The spelling of 66026994 in words is "sixty-six million, twenty-six thousand, nine hundred ninety-four".