158746666665 has 32 divisors (see below), whose sum is σ = 263333145600. Its totient is φ = 81575919360.

The previous prime is 158746666627. The next prime is 158746666693. The reversal of 158746666665 is 566666647851.

158746666665 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 158746666665 - 2¹⁴ = 158746650281 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 158746666596 and 158746666605.

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 31 ways as a sum of consecutive naturals, for example, 638910 + ... + 851879.

It is an arithmetic number, because the mean of its divisors is an integer number (8229160800).

Almost surely, 2^158746666665 is an apocalyptic number.

158746666665 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

158746666665 is a deficient number, since it is larger than the sum of its proper divisors (104586478935).

158746666665 is a wasteful number, since it uses less digits than its factorization.

158746666665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1491057.

The product of its digits is 261273600, while the sum is 66.

The spelling of 158746666665 in words is "one hundred fifty-eight billion, seven hundred forty-six million, six hundred sixty-six thousand, six hundred sixty-five".