166004357 has 2 divisors, whose sum is σ = 166004358. Its totient is φ = 166004356.

The previous prime is 166004353. The next prime is 166004369. The reversal of 166004357 is 753400661.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 100620961 + 65383396 = 10031^2 + 8086^2 .

It is a cyclic number.

It is not a de Polignac number, because 166004357 - 2² = 166004353 is a prime.

It is equal to p_9291902 and since 166004357 and 9291902 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (166004351) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 83002178 + 83002179.

It is an arithmetic number, because the mean of its divisors is an integer number (83002179).

Almost surely, 2^166004357 is an apocalyptic number.

It is an amenable number.

166004357 is a deficient number, since it is larger than the sum of its proper divisors (1).

166004357 is an equidigital number, since it uses as much as digits as its factorization.

166004357 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15120, while the sum is 32.

The square root of 166004357 is about 12884.2678100077. The cubic root of 166004357 is about 549.5912742972.

The spelling of 166004357 in words is "one hundred sixty-six million, four thousand, three hundred fifty-seven".