16165666659151 has 16 divisors (see below), whose sum is σ = 17120634706944. Its totient is φ = 15231717303264.

The previous prime is 16165666659139. The next prime is 16165666659157. The reversal of 16165666659151 is 15195666656161.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 16165666659151 - 2⁵ = 16165666659119 is a prime.

It is a super-2 number, since 2×16165666659151² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16165666659157) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 124073226 + ... + 124203448.

It is an arithmetic number, because the mean of its divisors is an integer number (1070039669184).

Almost surely, 2^{16165666659151} is an apocalyptic number.

16165666659151 is a deficient number, since it is larger than the sum of its proper divisors (954968047793).

16165666659151 is a wasteful number, since it uses less digits than its factorization.

16165666659151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210870.

The product of its digits is 52488000, while the sum is 64.

The spelling of 16165666659151 in words is "sixteen trillion, one hundred sixty-five billion, six hundred sixty-six million, six hundred fifty-nine thousand, one hundred fifty-one".