166021022435054 has 8 divisors (see below), whose sum is σ = 249312290739408. Its totient is φ = 82916925521920.

The previous prime is 166021022434991. The next prime is 166021022435063. The reversal of 166021022435054 is 450534220120661.

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

It is a congruent number.

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, 46792845587 + ... + 46792849134.

It is an arithmetic number, because the mean of its divisors is an integer number (31164036342426).

Almost surely, 2^{166021022435054} is an apocalyptic number.

166021022435054 is a deficient number, since it is larger than the sum of its proper divisors (83291268304354).

166021022435054 is an equidigital number, since it uses as much as digits as its factorization.

166021022435054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93585695610.

The product of its (nonzero) digits is 345600, while the sum is 41.

The spelling of 166021022435054 in words is "one hundred sixty-six trillion, twenty-one billion, twenty-two million, four hundred thirty-five thousand, fifty-four".