659446464 has 56 divisors (see below), whose sum is σ = 1748536000. Its totient is φ = 219343104.

The previous prime is 659446451. The next prime is 659446483. The reversal of 659446464 is 464644956.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 92367 + ... + 99249.

Almost surely, 2^659446464 is an apocalyptic number.

659446464 is a gapful number since it is divisible by the number (64) 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 659446464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (874268000).

659446464 is an abundant number, since it is smaller than the sum of its proper divisors (1089089536).

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

659446464 is a wasteful number, since it uses less digits than its factorization.

659446464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7397 (or 7387 counting only the distinct ones).

The product of its digits is 2488320, while the sum is 48.

The square root of 659446464 is about 25679.6897177517. The cubic root of 659446464 is about 870.4152965071.

The spelling of 659446464 in words is "six hundred fifty-nine million, four hundred forty-six thousand, four hundred sixty-four".