166376417 has 8 divisors (see below), whose sum is σ = 172581024. Its totient is φ = 160278048.

The previous prime is 166376389. The next prime is 166376423. The reversal of 166376417 is 714673661.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-166376417 is a prime.

It is a super-2 number, since 2×166376417² = 55362224267515778, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (166376117) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23363 + ... + 29640.

It is an arithmetic number, because the mean of its divisors is an integer number (21572628).

Almost surely, 2^166376417 is an apocalyptic number.

It is an amenable number.

166376417 is a deficient number, since it is larger than the sum of its proper divisors (6204607).

166376417 is an equidigital number, since it uses as much as digits as its factorization.

166376417 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53119.

The product of its digits is 127008, while the sum is 41.

The square root of 166376417 is about 12898.6982676548. The cubic root of 166376417 is about 550.0015614281.

The spelling of 166376417 in words is "one hundred sixty-six million, three hundred seventy-six thousand, four hundred seventeen".