64203216 has 160 divisors (see below), whose sum is σ = 214272000. Its totient is φ = 16074240.

The previous prime is 64203179. The next prime is 64203229. The reversal of 64203216 is 61230246.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 106885 + ... + 107483.

It is an arithmetic number, because the mean of its divisors is an integer number (1339200).

Almost surely, 2^64203216 is an apocalyptic number.

64203216 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 64203216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (107136000).

64203216 is an abundant number, since it is smaller than the sum of its proper divisors (150068784).

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

64203216 is a wasteful number, since it uses less digits than its factorization.

64203216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 657 (or 651 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 64203216 is about 8012.6909337625. The cubic root of 64203216 is about 400.4229193571.

The spelling of 64203216 in words is "sixty-four million, two hundred three thousand, two hundred sixteen".