166104577 has 2 divisors, whose sum is σ = 166104578. Its totient is φ = 166104576.

The previous prime is 166104563. The next prime is 166104599. The reversal of 166104577 is 775401661.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 110691441 + 55413136 = 10521^2 + 7444^2 .

It is a cyclic number.

It is not a de Polignac number, because 166104577 - 2¹⁵ = 166071809 is a prime.

It is not a weakly prime, because it can be changed into another prime (166107577) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 83052288 + 83052289.

It is an arithmetic number, because the mean of its divisors is an integer number (83052289).

Almost surely, 2^166104577 is an apocalyptic number.

It is an amenable number.

166104577 is a deficient number, since it is larger than the sum of its proper divisors (1).

166104577 is an equidigital number, since it uses as much as digits as its factorization.

166104577 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 35280, while the sum is 37.

The square root of 166104577 is about 12888.1564624270. The cubic root of 166104577 is about 549.7018516297.

The spelling of 166104577 in words is "one hundred sixty-six million, one hundred four thousand, five hundred seventy-seven".