18072357965 has 8 divisors (see below), whose sum is σ = 22828241760. Its totient is φ = 13696944912.

The previous prime is 18072357907. The next prime is 18072357967. The reversal of 18072357965 is 56975327081.

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 18072357965 - 2²² = 18068163661 is a prime.

It is a super-2 number, since 2×18072357965² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18072357967) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 95117579 + ... + 95117768.

It is an arithmetic number, because the mean of its divisors is an integer number (2853530220).

Almost surely, 2^18072357965 is an apocalyptic number.

It is an amenable number.

18072357965 is a deficient number, since it is larger than the sum of its proper divisors (4755883795).

18072357965 is a wasteful number, since it uses less digits than its factorization.

18072357965 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190235371.

The product of its (nonzero) digits is 3175200, while the sum is 53.

The spelling of 18072357965 in words is "eighteen billion, seventy-two million, three hundred fifty-seven thousand, nine hundred sixty-five".