659946516 has 48 divisors (see below), whose sum is σ = 1571325504. Its totient is φ = 215525376.

The previous prime is 659946509. The next prime is 659946523. The reversal of 659946516 is 615649956.

It is an interprime number because it is at equal distance from previous prime (659946509) and next prime (659946523).

It is a congruent number.

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, 153046 + ... + 157298.

It is an arithmetic number, because the mean of its divisors is an integer number (32735948).

Almost surely, 2^659946516 is an apocalyptic number.

It is an amenable number.

659946516 is an abundant number, since it is smaller than the sum of its proper divisors (911378988).

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

659946516 is a wasteful number, since it uses less digits than its factorization.

659946516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4520 (or 4518 counting only the distinct ones).

The product of its digits is 1749600, while the sum is 51.

The square root of 659946516 is about 25689.4242053029. The cubic root of 659946516 is about 870.6352501418.

The spelling of 659946516 in words is "six hundred fifty-nine million, nine hundred forty-six thousand, five hundred sixteen".