168234312851201 has 4 divisors (see below), whose sum is σ = 168234420333504. Its totient is φ = 168234205368900.

The previous prime is 168234312851183. The next prime is 168234312851237. The reversal of 168234312851201 is 102158213432861.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-168234312851201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (168234312851251) 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, 51358085 + ... + 54535506.

It is an arithmetic number, because the mean of its divisors is an integer number (42058605083376).

Almost surely, 2^{168234312851201} is an apocalyptic number.

It is an amenable number.

168234312851201 is a deficient number, since it is larger than the sum of its proper divisors (107482303).

168234312851201 is a wasteful number, since it uses less digits than its factorization.

168234312851201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107482302.

The product of its (nonzero) digits is 552960, while the sum is 47.

The spelling of 168234312851201 in words is "one hundred sixty-eight trillion, two hundred thirty-four billion, three hundred twelve million, eight hundred fifty-one thousand, two hundred one".