72198218082 has 16 divisors (see below), whose sum is σ = 144411498432. Its totient is φ = 24063562320.

The previous prime is 72198218041. The next prime is 72198218117. The reversal of 72198218082 is 28081289127.

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, 564798 + ... + 680729.

It is an arithmetic number, because the mean of its divisors is an integer number (9025718652).

Almost surely, 2^72198218082 is an apocalyptic number.

72198218082 is an abundant number, since it is smaller than the sum of its proper divisors (72213280350).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

72198218082 is a wasteful number, since it uses less digits than its factorization.

72198218082 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1255193.

The product of its (nonzero) digits is 258048, while the sum is 48.

The spelling of 72198218082 in words is "seventy-two billion, one hundred ninety-eight million, two hundred eighteen thousand, eighty-two".