673166807775 has 144 divisors (see below), whose sum is σ = 1504445399808. Its totient is φ = 279531648000.

The previous prime is 673166807767. The next prime is 673166807783. The reversal of 673166807775 is 577708661376.

It is an interprime number because it is at equal distance from previous prime (673166807767) and next prime (673166807783).

It is not a de Polignac number, because 673166807775 - 2³ = 673166807767 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 22351527 + ... + 22381623.

Almost surely, 2^673166807775 is an apocalyptic number.

673166807775 is an abundant number, since it is smaller than the sum of its proper divisors (831278592033).

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

673166807775 is a wasteful number, since it uses less digits than its factorization.

673166807775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31422 (or 31414 counting only the distinct ones).

The product of its (nonzero) digits is 62233920, while the sum is 63.

The spelling of 673166807775 in words is "six hundred seventy-three billion, one hundred sixty-six million, eight hundred seven thousand, seven hundred seventy-five".