64823016 has 64 divisors (see below), whose sum is σ = 173099520. Its totient is φ = 20180160.

The previous prime is 64822999. The next prime is 64823021. The reversal of 64823016 is 61032846.

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

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, 22371 + ... + 25101.

It is an arithmetic number, because the mean of its divisors is an integer number (2704680).

Almost surely, 2^64823016 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 64823016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (86549760).

64823016 is an abundant number, since it is smaller than the sum of its proper divisors (108276504).

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

64823016 is a wasteful number, since it uses less digits than its factorization.

64823016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2806 (or 2802 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 30.

The square root of 64823016 is about 8051.2741848729. The cubic root of 64823016 is about 401.7073189535.

The spelling of 64823016 in words is "sixty-four million, eight hundred twenty-three thousand, sixteen".