673164403 has 4 divisors (see below), whose sum is σ = 673223760. Its totient is φ = 673105048.

The previous prime is 673164377. The next prime is 673164407. The reversal of 673164403 is 304461376.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-673164403 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (673164407) 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, 6775 + ... + 37312.

It is an arithmetic number, because the mean of its divisors is an integer number (168305940).

Almost surely, 2^673164403 is an apocalyptic number.

673164403 is a deficient number, since it is larger than the sum of its proper divisors (59357).

673164403 is a wasteful number, since it uses less digits than its factorization.

673164403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59356.

The product of its (nonzero) digits is 36288, while the sum is 34.

The square root of 673164403 is about 25945.4119836244. The cubic root of 673164403 is about 876.4094413376.

The spelling of 673164403 in words is "six hundred seventy-three million, one hundred sixty-four thousand, four hundred three".