163212531366613 has 8 divisors (see below), whose sum is σ = 164814149829888. Its totient is φ = 161611240418544.

The previous prime is 163212531366601. The next prime is 163212531366629. The reversal of 163212531366613 is 316663135212361.

163212531366613 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-163212531366613 is a prime.

It is a super-2 number, since 2×163212531366613² (a number of 29 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 (163212531366653) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 80877181 + ... + 82870642.

It is an arithmetic number, because the mean of its divisors is an integer number (20601768728736).

Almost surely, 2^{163212531366613} is an apocalyptic number.

It is an amenable number.

163212531366613 is a deficient number, since it is larger than the sum of its proper divisors (1601618463275).

163212531366613 is a wasteful number, since it uses less digits than its factorization.

163212531366613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163757603.

The product of its digits is 2099520, while the sum is 49.

Adding to 163212531366613 its reverse (316663135212361), we get a palindrome (479875666578974).

The spelling of 163212531366613 in words is "one hundred sixty-three trillion, two hundred twelve billion, five hundred thirty-one million, three hundred sixty-six thousand, six hundred thirteen".