498161646 has 48 divisors (see below), whose sum is σ = 1185575040. Its totient is φ = 150472080.

The previous prime is 498161641. The next prime is 498161647. The reversal of 498161646 is 646161894.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (498161641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 23800 + ... + 39531.

It is an arithmetic number, because the mean of its divisors is an integer number (24699480).

Almost surely, 2^498161646 is an apocalyptic number.

498161646 is a gapful number since it is divisible by the number (46) formed by its first and last digit.

498161646 is an abundant number, since it is smaller than the sum of its proper divisors (687413394).

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

498161646 is a wasteful number, since it uses less digits than its factorization.

498161646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63381 (or 63378 counting only the distinct ones).

The product of its digits is 248832, while the sum is 45.

The square root of 498161646 is about 22319.5350758030. The cubic root of 498161646 is about 792.7265963643.

The spelling of 498161646 in words is "four hundred ninety-eight million, one hundred sixty-one thousand, six hundred forty-six".