83575386741581 has 16 divisors (see below), whose sum is σ = 101314808937216. Its totient is φ = 67301115507456.

The previous prime is 83575386741557. The next prime is 83575386741611. The reversal of 83575386741581 is 18514768357538.

It is a cyclic number.

It is not a de Polignac number, because 83575386741581 - 2¹⁴ = 83575386725197 is a prime.

It is a super-2 number, since 2×83575386741581² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83575386741551) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 630377321 + ... + 630509886.

It is an arithmetic number, because the mean of its divisors is an integer number (6332175558576).

Almost surely, 2^{83575386741581} is an apocalyptic number.

It is an amenable number.

83575386741581 is a deficient number, since it is larger than the sum of its proper divisors (17739422195635).

83575386741581 is a wasteful number, since it uses less digits than its factorization.

83575386741581 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1260887788.

The product of its digits is 677376000, while the sum is 71.

The spelling of 83575386741581 in words is "eighty-three trillion, five hundred seventy-five billion, three hundred eighty-six million, seven hundred forty-one thousand, five hundred eighty-one".