166146371 has 6 divisors (see below), whose sum is σ = 168918516. Its totient is φ = 163419000.

The previous prime is 166146359. The next prime is 166146413. The reversal of 166146371 is 173641661.

166146371 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 166146371 - 2¹⁰ = 166145347 is a prime.

It is not an unprimeable number, because it can be changed into a prime (166146311) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 18605 + ... + 26046.

It is an arithmetic number, because the mean of its divisors is an integer number (28153086).

Almost surely, 2^166146371 is an apocalyptic number.

166146371 is a deficient number, since it is larger than the sum of its proper divisors (2772145).

166146371 is an frugal number, since it uses more digits than its factorization.

166146371 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44773 (or 44712 counting only the distinct ones).

The product of its digits is 18144, while the sum is 35.

The square root of 166146371 is about 12889.7777715522. Note that the first 5 decimals coincide. The cubic root of 166146371 is about 549.7479517292.

The spelling of 166146371 in words is "one hundred sixty-six million, one hundred forty-six thousand, three hundred seventy-one".