66959486 has 16 divisors (see below), whose sum is σ = 114334848. Its totient is φ = 29112600.

The previous prime is 66959479. The next prime is 66959527. The reversal of 66959486 is 68495966.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65660 + ... + 66671.

It is an arithmetic number, because the mean of its divisors is an integer number (7145928).

Almost surely, 2^66959486 is an apocalyptic number.

66959486 is a deficient number, since it is larger than the sum of its proper divisors (47375362).

66959486 is a wasteful number, since it uses less digits than its factorization.

66959486 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132367.

The product of its digits is 2799360, while the sum is 53.

The square root of 66959486 is about 8182.8776112074. The cubic root of 66959486 is about 406.0729280854.

The spelling of 66959486 in words is "sixty-six million, nine hundred fifty-nine thousand, four hundred eighty-six".