166142301506 has 8 divisors (see below), whose sum is σ = 249246522684. Its totient is φ = 83060127280.

The previous prime is 166142301499. The next prime is 166142301541. The reversal of 166142301506 is 605103241661.

166142301506 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 165560285881 + 582015625 = 406891^2 + 24125^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5492885 + ... + 5523048.

Almost surely, 2^166142301506 is an apocalyptic number.

166142301506 is a deficient number, since it is larger than the sum of its proper divisors (83104221178).

166142301506 is a wasteful number, since it uses less digits than its factorization.

166142301506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11023476.

The product of its (nonzero) digits is 25920, while the sum is 35.

The spelling of 166142301506 in words is "one hundred sixty-six billion, one hundred forty-two million, three hundred one thousand, five hundred six".