64006818 has 32 divisors (see below), whose sum is σ = 131984640. Its totient is φ = 20678400.

The previous prime is 64006793. The next prime is 64006823. The reversal of 64006818 is 81860046.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 88663 + ... + 89381.

It is an arithmetic number, because the mean of its divisors is an integer number (4124520).

Almost surely, 2^64006818 is an apocalyptic number.

64006818 is an abundant number, since it is smaller than the sum of its proper divisors (67977822).

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

64006818 is a wasteful number, since it uses less digits than its factorization.

64006818 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1162.

The product of its (nonzero) digits is 9216, while the sum is 33.

The square root of 64006818 is about 8000.4261136517. The cubic root of 64006818 is about 400.0142036623.

The spelling of 64006818 in words is "sixty-four million, six thousand, eight hundred eighteen".