64854668 has 6 divisors (see below), whose sum is σ = 113495676. Its totient is φ = 32427332.

The previous prime is 64854667. The next prime is 64854679. The reversal of 64854668 is 86645846.

It is a happy number.

It is a super-2 number, since 2×64854668² = 8412255922780448, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (64854667) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8106830 + ... + 8106837.

It is an arithmetic number, because the mean of its divisors is an integer number (18915946).

Almost surely, 2^64854668 is an apocalyptic number.

It is an amenable number.

64854668 is a deficient number, since it is larger than the sum of its proper divisors (48641008).

64854668 is a wasteful number, since it uses less digits than its factorization.

64854668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16213671 (or 16213669 counting only the distinct ones).

The product of its digits is 1105920, while the sum is 47.

The square root of 64854668 is about 8053.2395965847. The cubic root of 64854668 is about 401.7726906477.

The spelling of 64854668 in words is "sixty-four million, eight hundred fifty-four thousand, six hundred sixty-eight".