72532164386 has 16 divisors (see below), whose sum is σ = 119047585248. Its totient is φ = 32869557600.

The previous prime is 72532164361. The next prime is 72532164407. The reversal of 72532164386 is 68346123527.

It is a super-3 number, since 3×72532164386³ (a number of 34 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 72532164386.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4972955 + ... + 4987518.

It is an arithmetic number, because the mean of its divisors is an integer number (7440474078).

Almost surely, 2^72532164386 is an apocalyptic number.

72532164386 is a deficient number, since it is larger than the sum of its proper divisors (46515420862).

72532164386 is a wasteful number, since it uses less digits than its factorization.

72532164386 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9960817.

The product of its digits is 1451520, while the sum is 47.

The spelling of 72532164386 in words is "seventy-two billion, five hundred thirty-two million, one hundred sixty-four thousand, three hundred eighty-six".