166104319 has 2 divisors, whose sum is σ = 166104320. Its totient is φ = 166104318.

The previous prime is 166104311. The next prime is 166104343. The reversal of 166104319 is 913401661.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 166104319 - 2³ = 166104311 is a prime.

It is a super-2 number, since 2×166104319² = 55181289580907522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (166104311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 83052159 + 83052160.

It is an arithmetic number, because the mean of its divisors is an integer number (83052160).

Almost surely, 2^166104319 is an apocalyptic number.

166104319 is a deficient number, since it is larger than the sum of its proper divisors (1).

166104319 is an equidigital number, since it uses as much as digits as its factorization.

166104319 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3888, while the sum is 31.

The square root of 166104319 is about 12888.1464532337. The cubic root of 166104319 is about 549.7015670236.

The spelling of 166104319 in words is "one hundred sixty-six million, one hundred four thousand, three hundred nineteen".