64013366 has 4 divisors (see below), whose sum is σ = 96020052. Its totient is φ = 32006682.

The previous prime is 64013363. The next prime is 64013371. The reversal of 64013366 is 66331046.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 66331046 = 2 ⋅33165523.

It is a super-2 number, since 2×64013366² = 8195422053299912, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64013363) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16003340 + ... + 16003343.

It is an arithmetic number, because the mean of its divisors is an integer number (24005013).

Almost surely, 2^64013366 is an apocalyptic number.

64013366 is a deficient number, since it is larger than the sum of its proper divisors (32006686).

64013366 is a wasteful number, since it uses less digits than its factorization.

64013366 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32006685.

The product of its (nonzero) digits is 7776, while the sum is 29.

The square root of 64013366 is about 8000.8353313888. The cubic root of 64013366 is about 400.0278438951.

The spelling of 64013366 in words is "sixty-four million, thirteen thousand, three hundred sixty-six".