18064972151793 has 480 divisors, whose sum is σ = 33794249448960. Its totient is φ = 9574214307840.

The previous prime is 18064972151761. The next prime is 18064972151819. The reversal of 18064972151793 is 39715127946081.

18064972151793 is a `hidden beast` number, since 1 + 8 + 0 + 6 + 4 + 9 + 7 + 21 + 517 + 93 = 666.

It is not a de Polignac number, because 18064972151793 - 2⁵ = 18064972151761 is a prime.

It is a super-2 number, since 2×18064972151793² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 18064972151793.

It is not an unprimeable number, because it can be changed into a prime (18064972151393) by changing a digit.

It is a polite number, since it can be written in 479 ways as a sum of consecutive naturals, for example, 77532069205 + ... + 77532069437.

It is an arithmetic number, because the mean of its divisors is an integer number (70404686352).

It is a 1-persistent number, because it is pandigital, but 2⋅18064972151793 = 36129944303586 is not.

Almost surely, 2^{18064972151793} is an apocalyptic number.

It is an amenable number.

18064972151793 is a deficient number, since it is larger than the sum of its proper divisors (15729277297167).

18064972151793 is a wasteful number, since it uses less digits than its factorization.

18064972151793 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 579 (or 563 counting only the distinct ones).

The product of its (nonzero) digits is 22861440, while the sum is 63.

The spelling of 18064972151793 in words is "eighteen trillion, sixty-four billion, nine hundred seventy-two million, one hundred fifty-one thousand, seven hundred ninety-three".