64166465 has 8 divisors (see below), whose sum is σ = 83999808. Its totient is φ = 46666480.

The previous prime is 64166437. The next prime is 64166507. The reversal of 64166465 is 56466146.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 64166465 - 2¹⁶ = 64100929 is a prime.

It is a Duffinian number.

It is a Curzon number.

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, 583277 + ... + 583386.

It is an arithmetic number, because the mean of its divisors is an integer number (10499976).

Almost surely, 2^64166465 is an apocalyptic number.

It is an amenable number.

64166465 is a deficient number, since it is larger than the sum of its proper divisors (19833343).

64166465 is a wasteful number, since it uses less digits than its factorization.

64166465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1166679.

The product of its digits is 103680, while the sum is 38.

The square root of 64166465 is about 8010.3973060017. The cubic root of 64166465 is about 400.3465018379.

The spelling of 64166465 in words is "sixty-four million, one hundred sixty-six thousand, four hundred sixty-five".