166245315 has 16 divisors (see below), whose sum is σ = 266152608. Its totient is φ = 88610816.

The previous prime is 166245301. The next prime is 166245323. The reversal of 166245315 is 513542661.

It is a cyclic number.

It is not a de Polignac number, because 166245315 - 2⁷ = 166245187 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45289 + ... + 48821.

It is an arithmetic number, because the mean of its divisors is an integer number (16634538).

Almost surely, 2^166245315 is an apocalyptic number.

166245315 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

166245315 is a deficient number, since it is larger than the sum of its proper divisors (99907293).

166245315 is a wasteful number, since it uses less digits than its factorization.

166245315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6678.

The product of its digits is 21600, while the sum is 33.

The square root of 166245315 is about 12893.6152804402. The cubic root of 166245315 is about 549.8570592728.

Adding to 166245315 its reverse (513542661), we get a palindrome (679787976).

The spelling of 166245315 in words is "one hundred sixty-six million, two hundred forty-five thousand, three hundred fifteen".