163246240133365 has 32 divisors (see below), whose sum is σ = 213108246712800. Its totient is φ = 119545870639104.

The previous prime is 163246240133357. The next prime is 163246240133377. The reversal of 163246240133365 is 563331042642361.

It can be written as a sum of positive squares in 16 ways, for example, as 87335616676 + 163158904516689 = 295526^2 + 12773367^2 .

It is a cyclic number.

It is not a de Polignac number, because 163246240133365 - 2³ = 163246240133357 is a prime.

It is a super-2 number, since 2×163246240133365² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2165152 + ... + 18198361.

It is an arithmetic number, because the mean of its divisors is an integer number (6659632709775).

Almost surely, 2^{163246240133365} is an apocalyptic number.

It is an amenable number.

163246240133365 is a deficient number, since it is larger than the sum of its proper divisors (49862006579435).

163246240133365 is a wasteful number, since it uses less digits than its factorization.

163246240133365 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20366121.

The product of its (nonzero) digits is 5598720, while the sum is 49.

The spelling of 163246240133365 in words is "one hundred sixty-three trillion, two hundred forty-six billion, two hundred forty million, one hundred thirty-three thousand, three hundred sixty-five".