166152423 has 16 divisors (see below), whose sum is σ = 223585920. Its totient is φ = 109749216.

The previous prime is 166152419. The next prime is 166152439. The reversal of 166152423 is 324251661.

It is not a de Polignac number, because 166152423 - 2² = 166152419 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166152323) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 182736 + ... + 183642.

It is an arithmetic number, because the mean of its divisors is an integer number (13974120).

Almost surely, 2^166152423 is an apocalyptic number.

166152423 is a deficient number, since it is larger than the sum of its proper divisors (57433497).

166152423 is a wasteful number, since it uses less digits than its factorization.

166152423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1406.

The product of its digits is 8640, while the sum is 30.

The square root of 166152423 is about 12890.0125290862. The cubic root of 166152423 is about 549.7546266352.

The spelling of 166152423 in words is "one hundred sixty-six million, one hundred fifty-two thousand, four hundred twenty-three".