72160051583 has 4 divisors (see below), whose sum is σ = 72177406080. Its totient is φ = 72142697088.

The previous prime is 72160051577. The next prime is 72160051603. The reversal of 72160051583 is 38515006127.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 72160051583 - 2⁴ = 72160051567 is a prime.

It is a super-2 number, since 2×72160051583² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72160056583) 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 3 ways as a sum of consecutive naturals, for example, 8671010 + ... + 8679327.

It is an arithmetic number, because the mean of its divisors is an integer number (18044351520).

Almost surely, 2^72160051583 is an apocalyptic number.

72160051583 is a deficient number, since it is larger than the sum of its proper divisors (17354497).

72160051583 is a wasteful number, since it uses less digits than its factorization.

72160051583 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17354496.

The product of its (nonzero) digits is 50400, while the sum is 38.

The spelling of 72160051583 in words is "seventy-two billion, one hundred sixty million, fifty-one thousand, five hundred eighty-three".