161845166107 has 8 divisors (see below), whose sum is σ = 163076155200. Its totient is φ = 160615129224.

The previous prime is 161845166083. The next prime is 161845166117. The reversal of 161845166107 is 701661548161.

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 161845166107 - 2¹⁵ = 161845133339 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (161845166117) 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, 105048 + ... + 578554.

It is an arithmetic number, because the mean of its divisors is an integer number (20384519400).

Almost surely, 2^161845166107 is an apocalyptic number.

161845166107 is a deficient number, since it is larger than the sum of its proper divisors (1230989093).

161845166107 is a wasteful number, since it uses less digits than its factorization.

161845166107 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 476105.

The product of its (nonzero) digits is 241920, while the sum is 46.

The spelling of 161845166107 in words is "one hundred sixty-one billion, eight hundred forty-five million, one hundred sixty-six thousand, one hundred seven".