66159466 has 16 divisors (see below), whose sum is σ = 101352384. Its totient is φ = 32382784.

The previous prime is 66159451. The next prime is 66159479. The reversal of 66159466 is 66495166.

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, 16995 + ... + 20521.

It is an arithmetic number, because the mean of its divisors is an integer number (6334524).

Almost surely, 2^66159466 is an apocalyptic number.

66159466 is a deficient number, since it is larger than the sum of its proper divisors (35192918).

66159466 is a wasteful number, since it uses less digits than its factorization.

66159466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3725.

The product of its digits is 233280, while the sum is 43.

The square root of 66159466 is about 8133.8469373354. The cubic root of 66159466 is about 404.4492152212.

The spelling of 66159466 in words is "sixty-six million, one hundred fifty-nine thousand, four hundred sixty-six".