64486166 has 4 divisors (see below), whose sum is σ = 96729252. Its totient is φ = 32243082.

The previous prime is 64486159. The next prime is 64486189. The reversal of 64486166 is 66168446.

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, 16121540 + ... + 16121543.

It is an arithmetic number, because the mean of its divisors is an integer number (24182313).

Almost surely, 2^64486166 is an apocalyptic number.

64486166 is a deficient number, since it is larger than the sum of its proper divisors (32243086).

64486166 is a wasteful number, since it uses less digits than its factorization.

64486166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32243085.

The product of its digits is 165888, while the sum is 41.

The square root of 64486166 is about 8030.3278886979. The cubic root of 64486166 is about 401.0102919604.

The spelling of 64486166 in words is "sixty-four million, four hundred eighty-six thousand, one hundred sixty-six".