72160222757 has 8 divisors (see below), whose sum is σ = 83866603200. Its totient is φ = 60803286624.

The previous prime is 72160222723. The next prime is 72160222769. The reversal of 72160222757 is 75722206127.

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

It is a cyclic number.

It is not a de Polignac number, because 72160222757 - 2¹⁶ = 72160157221 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 (72160222357) 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, 87360632 + ... + 87361457.

It is an arithmetic number, because the mean of its divisors is an integer number (10483325400).

Almost surely, 2^72160222757 is an apocalyptic number.

It is an amenable number.

72160222757 is a deficient number, since it is larger than the sum of its proper divisors (11706380443).

72160222757 is a wasteful number, since it uses less digits than its factorization.

72160222757 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174722155.

The product of its (nonzero) digits is 164640, while the sum is 41.

The spelling of 72160222757 in words is "seventy-two billion, one hundred sixty million, two hundred twenty-two thousand, seven hundred fifty-seven".