166942062155 has 8 divisors (see below), whose sum is σ = 218542335984. Its totient is φ = 121412408800.

The previous prime is 166942062127. The next prime is 166942062191. The reversal of 166942062155 is 551260249661.

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

It is not a de Polignac number, because 166942062155 - 2³² = 162647094859 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1517655056 + ... + 1517655165.

It is an arithmetic number, because the mean of its divisors is an integer number (27317791998).

Almost surely, 2^166942062155 is an apocalyptic number.

166942062155 is a deficient number, since it is larger than the sum of its proper divisors (51600273829).

166942062155 is a wasteful number, since it uses less digits than its factorization.

166942062155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3035310237.

The product of its (nonzero) digits is 777600, while the sum is 47.

The spelling of 166942062155 in words is "one hundred sixty-six billion, nine hundred forty-two million, sixty-two thousand, one hundred fifty-five".