166851152941 has 8 divisors (see below), whose sum is σ = 182203123968. Its totient is φ = 151529796000.

The previous prime is 166851152939. The next prime is 166851152959. The reversal of 166851152941 is 149251158661.

It is a happy number.

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

It is not a de Polignac number, because 166851152941 - 2¹ = 166851152939 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166851152971) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7642120 + ... + 7663921.

It is an arithmetic number, because the mean of its divisors is an integer number (22775390496).

Almost surely, 2^166851152941 is an apocalyptic number.

166851152941 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

166851152941 is a deficient number, since it is larger than the sum of its proper divisors (15351971027).

166851152941 is a wasteful number, since it uses less digits than its factorization.

166851152941 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15307043.

The product of its digits is 518400, while the sum is 49.

The spelling of 166851152941 in words is "one hundred sixty-six billion, eight hundred fifty-one million, one hundred fifty-two thousand, nine hundred forty-one".