166322377 has 8 divisors (see below), whose sum is σ = 179216576. Its totient is φ = 153442512.

The previous prime is 166322287. The next prime is 166322381. The reversal of 166322377 is 773223661.

166322377 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 a cyclic number.

It is not a de Polignac number, because 166322377 - 2¹⁹ = 165798089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (166322077) 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, 44308 + ... + 47914.

It is an arithmetic number, because the mean of its divisors is an integer number (22402072).

Almost surely, 2^166322377 is an apocalyptic number.

It is an amenable number.

166322377 is a deficient number, since it is larger than the sum of its proper divisors (12894199).

166322377 is a wasteful number, since it uses less digits than its factorization.

166322377 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7167.

The product of its digits is 63504, while the sum is 37.

The square root of 166322377 is about 12896.6033125005. The cubic root of 166322377 is about 549.9420071085.

The spelling of 166322377 in words is "one hundred sixty-six million, three hundred twenty-two thousand, three hundred seventy-seven".