64245166 has 4 divisors (see below), whose sum is σ = 96367752. Its totient is φ = 32122582.

The previous prime is 64245149. The next prime is 64245173. The reversal of 64245166 is 66154246.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16061290 + ... + 16061293.

It is an arithmetic number, because the mean of its divisors is an integer number (24091938).

Almost surely, 2^64245166 is an apocalyptic number.

64245166 is a deficient number, since it is larger than the sum of its proper divisors (32122586).

64245166 is a wasteful number, since it uses less digits than its factorization.

64245166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32122585.

The product of its digits is 34560, while the sum is 34.

The square root of 64245166 is about 8015.3082286335. The cubic root of 64245166 is about 400.5101116886.

The spelling of 64245166 in words is "sixty-four million, two hundred forty-five thousand, one hundred sixty-six".