497165016854 has 32 divisors (see below), whose sum is σ = 866976224256. Its totient is φ = 211559571520.

The previous prime is 497165016841. The next prime is 497165016863. The reversal of 497165016854 is 458610561794.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 497165016854.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 10428767 + ... + 10476330.

It is an arithmetic number, because the mean of its divisors is an integer number (27093007008).

Almost surely, 2^497165016854 is an apocalyptic number.

497165016854 is a deficient number, since it is larger than the sum of its proper divisors (369811207402).

497165016854 is a wasteful number, since it uses less digits than its factorization.

497165016854 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20905180.

The product of its (nonzero) digits is 7257600, while the sum is 56.

The spelling of 497165016854 in words is "four hundred ninety-seven billion, one hundred sixty-five million, sixteen thousand, eight hundred fifty-four".