1516065665166 has 24 divisors (see below), whose sum is σ = 3537486552600. Its totient is φ = 466481743056.

The previous prime is 1516065665129. The next prime is 1516065665189. The reversal of 1516065665166 is 6615665606151.

1516065665166 is a `hidden beast` number, since 1 + 5 + 1 + 6 + 0 + 65 + 66 + 516 + 6 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3239456316 + ... + 3239456783.

It is an arithmetic number, because the mean of its divisors is an integer number (147395273025).

Almost surely, 2^{1516065665166} is an apocalyptic number.

1516065665166 is an abundant number, since it is smaller than the sum of its proper divisors (2021420887434).

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

1516065665166 is a wasteful number, since it uses less digits than its factorization.

1516065665166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6478913120 (or 6478913117 counting only the distinct ones).

The product of its (nonzero) digits is 5832000, while the sum is 54.

The spelling of 1516065665166 in words is "one trillion, five hundred sixteen billion, sixty-five million, six hundred sixty-five thousand, one hundred sixty-six".