72196611157 has 8 divisors (see below), whose sum is σ = 80888586912. Its totient is φ = 63859410000.

The previous prime is 72196611133. The next prime is 72196611163. The reversal of 72196611157 is 75111669127.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-72196611157 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72196611127) by changing a digit.

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, 88693219 + ... + 88694032.

It is an arithmetic number, because the mean of its divisors is an integer number (10111073364).

Almost surely, 2^72196611157 is an apocalyptic number.

It is an amenable number.

72196611157 is a deficient number, since it is larger than the sum of its proper divisors (8691975755).

72196611157 is a wasteful number, since it uses less digits than its factorization.

72196611157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 177387299.

The product of its digits is 158760, while the sum is 46.

The spelling of 72196611157 in words is "seventy-two billion, one hundred ninety-six million, six hundred eleven thousand, one hundred fifty-seven".