498161663 has 4 divisors (see below), whose sum is σ = 502998288. Its totient is φ = 493325040.

The previous prime is 498161647. The next prime is 498161687. The reversal of 498161663 is 366161894.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 498161663 - 2⁴ = 498161647 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (498161633) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2418158 + ... + 2418363.

It is an arithmetic number, because the mean of its divisors is an integer number (125749572).

Almost surely, 2^498161663 is an apocalyptic number.

498161663 is a deficient number, since it is larger than the sum of its proper divisors (4836625).

498161663 is a wasteful number, since it uses less digits than its factorization.

498161663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4836624.

The product of its digits is 186624, while the sum is 44.

The square root of 498161663 is about 22319.5354566353. The cubic root of 498161663 is about 792.7266053817.

The spelling of 498161663 in words is "four hundred ninety-eight million, one hundred sixty-one thousand, six hundred sixty-three".