64166146 has 32 divisors (see below), whose sum is σ = 108148608. Its totient is φ = 28304640.

The previous prime is 64166119. The next prime is 64166147.

64166146 is nontrivially palindromic in base 10.

It is not an unprimeable number, because it can be changed into a prime (64166147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 131515 + ... + 132001.

It is an arithmetic number, because the mean of its divisors is an integer number (3379644).

Almost surely, 2^64166146 is an apocalyptic number.

64166146 is a deficient number, since it is larger than the sum of its proper divisors (43982462).

64166146 is a wasteful number, since it uses less digits than its factorization.

64166146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 666.

The product of its digits is 20736, while the sum is 34.

The square root of 64166146 is about 8010.3773943554. The cubic root of 64166146 is about 400.3458384033.

The spelling of 64166146 in words is "sixty-four million, one hundred sixty-six thousand, one hundred forty-six".