166142963 has 8 divisors (see below), whose sum is σ = 192479328. Its totient is φ = 140457024.

The previous prime is 166142953. The next prime is 166143031. The reversal of 166142963 is 369241661.

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 166142963 - 2¹⁶ = 166077427 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (166142903) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 162056 + ... + 163077.

It is an arithmetic number, because the mean of its divisors is an integer number (24059916).

Almost surely, 2^166142963 is an apocalyptic number.

166142963 is a deficient number, since it is larger than the sum of its proper divisors (26336365).

166142963 is an equidigital number, since it uses as much as digits as its factorization.

166142963 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 325213.

The product of its digits is 46656, while the sum is 38.

The square root of 166142963 is about 12889.6455730947. The cubic root of 166142963 is about 549.7441928873.

The spelling of 166142963 in words is "one hundred sixty-six million, one hundred forty-two thousand, nine hundred sixty-three".