165054056315166 has 32 divisors (see below), whose sum is σ = 367006556416800. Its totient is φ = 54985054080960.

The previous prime is 165054056315131. The next prime is 165054056315171. The reversal of 165054056315166 is 661513650450561.

165054056315166 is a `hidden beast` number, since 1 + 6 + 5 + 0 + 5 + 4 + 0 + 563 + 15 + 1 + 66 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 915594895 + ... + 915775146.

It is an arithmetic number, because the mean of its divisors is an integer number (11468954888025).

Almost surely, 2^{165054056315166} is an apocalyptic number.

165054056315166 is an abundant number, since it is smaller than the sum of its proper divisors (201952500101634).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

165054056315166 is a wasteful number, since it uses less digits than its factorization.

165054056315166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1831371721 (or 1831371715 counting only the distinct ones).

The product of its (nonzero) digits is 9720000, while the sum is 54.

The spelling of 165054056315166 in words is "one hundred sixty-five trillion, fifty-four billion, fifty-six million, three hundred fifteen thousand, one hundred sixty-six".