165426383247 has 32 divisors (see below), whose sum is σ = 237551686080. Its totient is φ = 102184104960.

The previous prime is 165426383203. The next prime is 165426383279. The reversal of 165426383247 is 742383624561.

It is not a de Polignac number, because 165426383247 - 2⁷ = 165426383119 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 165426383247.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (165426383347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 117004 + ... + 586977.

It is an arithmetic number, because the mean of its divisors is an integer number (7423490190).

Almost surely, 2^165426383247 is an apocalyptic number.

165426383247 is a deficient number, since it is larger than the sum of its proper divisors (72125302833).

165426383247 is a wasteful number, since it uses less digits than its factorization.

165426383247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 704123.

The product of its digits is 5806080, while the sum is 51.

The spelling of 165426383247 in words is "one hundred sixty-five billion, four hundred twenty-six million, three hundred eighty-three thousand, two hundred forty-seven".