64863066 has 48 divisors (see below), whose sum is σ = 136461600. Its totient is φ = 20545920.

The previous prime is 64863023. The next prime is 64863077. The reversal of 64863066 is 66036846.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 595020 + ... + 595128.

It is an arithmetic number, because the mean of its divisors is an integer number (2842950).

Almost surely, 2^64863066 is an apocalyptic number.

64863066 is an abundant number, since it is smaller than the sum of its proper divisors (71598534).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

64863066 is a wasteful number, since it uses less digits than its factorization.

64863066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 255 (or 214 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 39.

The square root of 64863066 is about 8053.7609847822. The cubic root of 64863066 is about 401.7900316838.

The spelling of 64863066 in words is "sixty-four million, eight hundred sixty-three thousand, sixty-six".