66496790 has 16 divisors (see below), whose sum is σ = 119803968. Its totient is φ = 26574336.

The previous prime is 66496777. The next prime is 66496811. The reversal of 66496790 is 9769466.

It is a congruent number.

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, 11894 + ... + 16566.

It is an arithmetic number, because the mean of its divisors is an integer number (7487748).

Almost surely, 2^66496790 is an apocalyptic number.

66496790 is a deficient number, since it is larger than the sum of its proper divisors (53307178).

66496790 is a wasteful number, since it uses less digits than its factorization.

66496790 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6103.

The product of its (nonzero) digits is 489888, while the sum is 47.

The square root of 66496790 is about 8154.5563950469. The cubic root of 66496790 is about 405.1354320219.

The spelling of 66496790 in words is "sixty-six million, four hundred ninety-six thousand, seven hundred ninety".