495886664 has 192 divisors, whose sum is σ = 1247178240. Its totient is φ = 182891520.

The previous prime is 495886637. The next prime is 495886667. The reversal of 495886664 is 466688594.

It is a Harshad number since it is a multiple of its sum of digits (56).

Its product of digits (9953280) is a multiple of the sum of its prime factors (180).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (495886667) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 6792932 + ... + 6793004.

It is an arithmetic number, because the mean of its divisors is an integer number (6495720).

Almost surely, 2^495886664 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 495886664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (623589120).

495886664 is an abundant number, since it is smaller than the sum of its proper divisors (751291576).

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

495886664 is a wasteful number, since it uses less digits than its factorization.

495886664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180 (or 169 counting only the distinct ones).

The product of its digits is 9953280, while the sum is 56.

The square root of 495886664 is about 22268.5128376369. The cubic root of 495886664 is about 791.5180254611.

The spelling of 495886664 in words is "four hundred ninety-five million, eight hundred eighty-six thousand, six hundred sixty-four".