663374854 has 16 divisors (see below), whose sum is σ = 1051026480. Its totient is φ = 313152480.

The previous prime is 663374849. The next prime is 663374857. The reversal of 663374854 is 458473366.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (663374857) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18657 + ... + 40924.

It is an arithmetic number, because the mean of its divisors is an integer number (65689155).

Almost surely, 2^663374854 is an apocalyptic number.

663374854 is a deficient number, since it is larger than the sum of its proper divisors (387651626).

663374854 is a wasteful number, since it uses less digits than its factorization.

663374854 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59895.

The product of its digits is 1451520, while the sum is 46.

The square root of 663374854 is about 25756.0644120953. The cubic root of 663374854 is about 872.1402600673.

The spelling of 663374854 in words is "six hundred sixty-three million, three hundred seventy-four thousand, eight hundred fifty-four".