659995150464 has 512 divisors, whose sum is σ = 2206513612800. Its totient is φ = 192795033600.

The previous prime is 659995150439. The next prime is 659995150469. The reversal of 659995150464 is 464051599956.

659995150464 is a `hidden beast` number, since 6 + 59 + 9 + 9 + 515 + 0 + 4 + 64 = 666.

It is not an unprimeable number, because it can be changed into a prime (659995150469) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 73812234 + ... + 73821174.

It is an arithmetic number, because the mean of its divisors is an integer number (4309596900).

Almost surely, 2^659995150464 is an apocalyptic number.

659995150464 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 659995150464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1103256806400).

659995150464 is an abundant number, since it is smaller than the sum of its proper divisors (1546518462336).

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

659995150464 is a wasteful number, since it uses less digits than its factorization.

659995150464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9061 (or 9043 counting only the distinct ones).

The product of its (nonzero) digits is 52488000, while the sum is 63.

The spelling of 659995150464 in words is "six hundred fifty-nine billion, nine hundred ninety-five million, one hundred fifty thousand, four hundred sixty-four".