162561011466317 has 4 divisors (see below), whose sum is σ = 166954552316796. Its totient is φ = 158167470615840.

The previous prime is 162561011466299. The next prime is 162561011466397. The reversal of 162561011466317 is 713664110165261.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 87677360777161 + 74883650689156 = 9363619^2 + 8653534^2 .

It is a cyclic number.

It is not a de Polignac number, because 162561011466317 - 2¹⁸ = 162561011204173 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (162561011466397) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2196770425184 + ... + 2196770425257.

It is an arithmetic number, because the mean of its divisors is an integer number (41738638079199).

Almost surely, 2^{162561011466317} is an apocalyptic number.

It is an amenable number.

162561011466317 is a deficient number, since it is larger than the sum of its proper divisors (4393540850479).

162561011466317 is an equidigital number, since it uses as much as digits as its factorization.

162561011466317 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4393540850478.

The product of its (nonzero) digits is 1088640, while the sum is 50.

The spelling of 162561011466317 in words is "one hundred sixty-two trillion, five hundred sixty-one billion, eleven million, four hundred sixty-six thousand, three hundred seventeen".