166377 has 8 divisors (see below), whose sum is σ = 229120. Its totient is φ = 107280.

The previous prime is 166363. The next prime is 166393. The reversal of 166377 is 773661.

166377 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 166377 - 2¹⁴ = 149993 is a prime.

It is a super-2 number, since 2×166377² = 55362612258, which contains 22 as substring.

It is a Duffinian number.

It is a plaindrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (166357) 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, 802 + ... + 987.

It is an arithmetic number, because the mean of its divisors is an integer number (28640).

2¹⁶⁶³⁷⁷ is an apocalyptic number.

It is an amenable number.

166377 is a deficient number, since it is larger than the sum of its proper divisors (62743).

166377 is a wasteful number, since it uses less digits than its factorization.

166377 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1823.

The product of its digits is 5292, while the sum is 30.

The square root of 166377 is about 407.8933684188. The cubic root of 166377 is about 55.0002203848. Note that the first 3 decimals are identical.

The spelling of 166377 in words is "one hundred sixty-six thousand, three hundred seventy-seven".