320101642050651 has 48 divisors (see below), whose sum is σ = 478865866939200. Its totient is φ = 205804249921536.

The previous prime is 320101642050647. The next prime is 320101642050689. The reversal of 320101642050651 is 156050246101023.

320101642050651 is a `hidden beast` number, since 3 + 2 + 0 + 1 + 0 + 1 + 642 + 0 + 5 + 0 + 6 + 5 + 1 = 666.

It is not a de Polignac number, because 320101642050651 - 2² = 320101642050647 is a prime.

It is a super-3 number, since 3×320101642050651³ (a number of 44 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (320101642052651) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1931579971 + ... + 1931745683.

It is an arithmetic number, because the mean of its divisors is an integer number (9976372227900).

Almost surely, 2^{320101642050651} is an apocalyptic number.

320101642050651 is a deficient number, since it is larger than the sum of its proper divisors (158764224888549).

320101642050651 is a wasteful number, since it uses less digits than its factorization.

320101642050651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174260 (or 174257 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 36.

Adding to 320101642050651 its reverse (156050246101023), we get a palindrome (476151888151674).

The spelling of 320101642050651 in words is "three hundred twenty trillion, one hundred one billion, six hundred forty-two million, fifty thousand, six hundred fifty-one".