166673741 has 8 divisors (see below), whose sum is σ = 179602584. Its totient is φ = 153760320.

The previous prime is 166673737. The next prime is 166673743. The reversal of 166673741 is 147376661.

It can be written as a sum of positive squares in 4 ways, for example, as 52504516 + 114169225 = 7246^2 + 10685^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 166673741 - 2² = 166673737 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166673743) 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, 29051 + ... + 34311.

It is an arithmetic number, because the mean of its divisors is an integer number (22450323).

Almost surely, 2^166673741 is an apocalyptic number.

It is an amenable number.

166673741 is a deficient number, since it is larger than the sum of its proper divisors (12928843).

166673741 is a wasteful number, since it uses less digits than its factorization.

166673741 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7711.

The product of its digits is 127008, while the sum is 41.

The square root of 166673741 is about 12910.2184722026. The cubic root of 166673741 is about 550.3289943503.

The spelling of 166673741 in words is "one hundred sixty-six million, six hundred seventy-three thousand, seven hundred forty-one".