163116206512 has 40 divisors (see below), whose sum is σ = 361406930976. Its totient is φ = 69864162816.

The previous prime is 163116206497. The next prime is 163116206543. The reversal of 163116206512 is 215602611361.

It is a super-2 number, since 2×163116206512² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 261493 + ... + 628180.

Almost surely, 2^163116206512 is an apocalyptic number.

It is an amenable number.

163116206512 is an abundant number, since it is smaller than the sum of its proper divisors (198290724464).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

163116206512 is a wasteful number, since it uses less digits than its factorization.

163116206512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 891325 (or 891319 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 34.

Adding to 163116206512 its reverse (215602611361), we get a palindrome (378718817873).

The spelling of 163116206512 in words is "one hundred sixty-three billion, one hundred sixteen million, two hundred six thousand, five hundred twelve".