166122303123554 has 8 divisors (see below), whose sum is σ = 262298373353040. Its totient is φ = 78689512005876.

The previous prime is 166122303123481. The next prime is 166122303123571. The reversal of 166122303123554 is 455321303221661.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2185819777904 + ... + 2185819777979.

It is an arithmetic number, because the mean of its divisors is an integer number (32787296669130).

Almost surely, 2^{166122303123554} is an apocalyptic number.

166122303123554 is a deficient number, since it is larger than the sum of its proper divisors (96176070229486).

166122303123554 is a wasteful number, since it uses less digits than its factorization.

166122303123554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4371639555904.

The product of its (nonzero) digits is 777600, while the sum is 44.

The spelling of 166122303123554 in words is "one hundred sixty-six trillion, one hundred twenty-two billion, three hundred three million, one hundred twenty-three thousand, five hundred fifty-four".