166670465 has 16 divisors (see below), whose sum is σ = 228061008. Its totient is φ = 115838976.

The previous prime is 166670419. The next prime is 166670467. The reversal of 166670465 is 564076661.

It can be written as a sum of positive squares in 8 ways, for example, as 8690704 + 157979761 = 2948^2 + 12569^2 .

It is a cyclic number.

It is not a de Polignac number, because 166670465 - 2¹⁶ = 166604929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (166670467) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 74312 + ... + 76521.

It is an arithmetic number, because the mean of its divisors is an integer number (14253813).

Almost surely, 2^166670465 is an apocalyptic number.

It is an amenable number.

166670465 is a deficient number, since it is larger than the sum of its proper divisors (61390543).

166670465 is a wasteful number, since it uses less digits than its factorization.

166670465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150868.

The product of its (nonzero) digits is 181440, while the sum is 41.

The square root of 166670465 is about 12910.0915953373. The cubic root of 166670465 is about 550.3253887241.

The spelling of 166670465 in words is "one hundred sixty-six million, six hundred seventy thousand, four hundred sixty-five".