494973566 has 16 divisors (see below), whose sum is σ = 786799440. Its totient is φ = 233123520.

The previous prime is 494973553. The next prime is 494973601. The reversal of 494973566 is 665379494.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 101696 + ... + 106451.

It is an arithmetic number, because the mean of its divisors is an integer number (49174965).

Almost surely, 2^494973566 is an apocalyptic number.

494973566 is a deficient number, since it is larger than the sum of its proper divisors (291825874).

494973566 is a wasteful number, since it uses less digits than its factorization.

494973566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 208219.

The product of its digits is 4898880, while the sum is 53.

The square root of 494973566 is about 22248.0013933836. The cubic root of 494973566 is about 791.0319079446.

The spelling of 494973566 in words is "four hundred ninety-four million, nine hundred seventy-three thousand, five hundred sixty-six".