162681210701 has 4 divisors (see below), whose sum is σ = 163200959292. Its totient is φ = 162161462112.

The previous prime is 162681210689. The next prime is 162681210707. The reversal of 162681210701 is 107012186261.

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 4317804100 + 158363406601 = 65710^2 + 397949^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-162681210701 is a prime.

It is a super-2 number, since 2×162681210701² (a number of 23 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 (162681210707) 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, 259873826 + ... + 259874451.

It is an arithmetic number, because the mean of its divisors is an integer number (40800239823).

Almost surely, 2^162681210701 is an apocalyptic number.

It is an amenable number.

162681210701 is a deficient number, since it is larger than the sum of its proper divisors (519748591).

162681210701 is an equidigital number, since it uses as much as digits as its factorization.

162681210701 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 519748590.

The product of its (nonzero) digits is 8064, while the sum is 35.

Adding to 162681210701 its reverse (107012186261), we get a palindrome (269693396962).

The spelling of 162681210701 in words is "one hundred sixty-two billion, six hundred eighty-one million, two hundred ten thousand, seven hundred one".