66995026 has 16 divisors (see below), whose sum is σ = 120893760. Its totient is φ = 27200880.

The previous prime is 66995009. The next prime is 66995039. The reversal of 66995026 is 62059966.

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, 125665 + ... + 126196.

It is an arithmetic number, because the mean of its divisors is an integer number (7555860).

Almost surely, 2^66995026 is an apocalyptic number.

66995026 is a deficient number, since it is larger than the sum of its proper divisors (53898734).

66995026 is a wasteful number, since it uses less digits than its factorization.

66995026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 251889.

The product of its (nonzero) digits is 174960, while the sum is 43.

The square root of 66995026 is about 8185.0489308250. The cubic root of 66995026 is about 406.1447589798.

The spelling of 66995026 in words is "sixty-six million, nine hundred ninety-five thousand, twenty-six".