8073561972518 has 32 divisors (see below), whose sum is σ = 14037912230400. Its totient is φ = 3410735872320.

The previous prime is 8073561972491. The next prime is 8073561972527. The reversal of 8073561972518 is 8152791653708.

It is a super-3 number, since 3×8073561972518³ (a number of 40 digits) contains 333 as substring.

It is a Smith number, since the sum of its digits (62) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4671005 + ... + 6161607.

It is an arithmetic number, because the mean of its divisors is an integer number (438684757200).

Almost surely, 2^{8073561972518} is an apocalyptic number.

8073561972518 is a deficient number, since it is larger than the sum of its proper divisors (5964350257882).

8073561972518 is a wasteful number, since it uses less digits than its factorization.

8073561972518 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1496132.

The product of its (nonzero) digits is 25401600, while the sum is 62.

The spelling of 8073561972518 in words is "eight trillion, seventy-three billion, five hundred sixty-one million, nine hundred seventy-two thousand, five hundred eighteen".