166002347 has 6 divisors (see below), whose sum is σ = 193104828. Its totient is φ = 142287684.

The previous prime is 166002299. The next prime is 166002377. The reversal of 166002347 is 743200661.

It is not a de Polignac number, because 166002347 - 2¹⁸ = 165740203 is a prime.

It is not an unprimeable number, because it can be changed into a prime (166002377) 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, 1693853 + ... + 1693950.

It is an arithmetic number, because the mean of its divisors is an integer number (32184138).

Almost surely, 2^166002347 is an apocalyptic number.

166002347 is a deficient number, since it is larger than the sum of its proper divisors (27102481).

166002347 is an equidigital number, since it uses as much as digits as its factorization.

166002347 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3387817 (or 3387810 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 29.

The square root of 166002347 is about 12884.1898076674. The cubic root of 166002347 is about 549.5890561166.

The spelling of 166002347 in words is "one hundred sixty-six million, two thousand, three hundred forty-seven".