66466466 has 16 divisors (see below), whose sum is σ = 109624320. Its totient is φ = 29972880.

The previous prime is 66466457. The next prime is 66466471.

66466466 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×66466466² = 8835582205058312, which contains 22 as substring.

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, 9101 + ... + 14688.

It is an arithmetic number, because the mean of its divisors is an integer number (6851520).

Almost surely, 2^66466466 is an apocalyptic number.

66466466 is a deficient number, since it is larger than the sum of its proper divisors (43157854).

66466466 is a wasteful number, since it uses less digits than its factorization.

66466466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23929.

The product of its digits is 746496, while the sum is 44.

The square root of 66466466 is about 8152.6968544157. The cubic root of 66466466 is about 405.0738391001.

The spelling of 66466466 in words is "sixty-six million, four hundred sixty-six thousand, four hundred sixty-six".