498917664 has 96 divisors (see below), whose sum is σ = 1663079040. Its totient is φ = 142546176.

The previous prime is 498917663. The next prime is 498917681. The reversal of 498917664 is 466719894.

498917664 is a `hidden beast` number, since 498 + 91 + 7 + 6 + 64 = 666.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 498917664.

It is not an unprimeable number, because it can be changed into a prime (498917663) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35199 + ... + 47294.

It is an arithmetic number, because the mean of its divisors is an integer number (17323740).

Almost surely, 2^498917664 is an apocalyptic number.

It is an amenable number.

498917664 is an abundant number, since it is smaller than the sum of its proper divisors (1164161376).

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

498917664 is a wasteful number, since it uses less digits than its factorization.

498917664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82519 (or 82505 counting only the distinct ones).

The product of its digits is 2612736, while the sum is 54.

The square root of 498917664 is about 22336.4648948754. The cubic root of 498917664 is about 793.1274118152.

The spelling of 498917664 in words is "four hundred ninety-eight million, nine hundred seventeen thousand, six hundred sixty-four".