166101365 has 8 divisors (see below), whose sum is σ = 199594368. Its totient is φ = 132699280.

The previous prime is 166101349. The next prime is 166101367. The reversal of 166101365 is 563101661.

166101365 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 166101365 - 2⁴ = 166101349 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166101367) 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, 18641 + ... + 26070.

It is an arithmetic number, because the mean of its divisors is an integer number (24949296).

Almost surely, 2^166101365 is an apocalyptic number.

It is an amenable number.

166101365 is a deficient number, since it is larger than the sum of its proper divisors (33493003).

166101365 is an equidigital number, since it uses as much as digits as its factorization.

166101365 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45459.

The product of its (nonzero) digits is 3240, while the sum is 29.

The square root of 166101365 is about 12888.0318512952. The cubic root of 166101365 is about 549.6983083725.

The spelling of 166101365 in words is "one hundred sixty-six million, one hundred one thousand, three hundred sixty-five".