166516515154 has 8 divisors (see below), whose sum is σ = 272481570288. Its totient is φ = 75689325060.

The previous prime is 166516515133. The next prime is 166516515197. The reversal of 166516515154 is 451515615661.

166516515154 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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, 3784466232 + ... + 3784466275.

It is an arithmetic number, because the mean of its divisors is an integer number (34060196286).

Almost surely, 2^166516515154 is an apocalyptic number.

166516515154 is a deficient number, since it is larger than the sum of its proper divisors (105965055134).

166516515154 is a wasteful number, since it uses less digits than its factorization.

166516515154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7568932520.

The product of its digits is 540000, while the sum is 46.

The spelling of 166516515154 in words is "one hundred sixty-six billion, five hundred sixteen million, five hundred fifteen thousand, one hundred fifty-four".