83170522449 has 81 divisors (see below), whose sum is σ = 144729266409. Its totient is φ = 45889094160.

The previous prime is 83170522399. The next prime is 83170522451. The reversal of 83170522449 is 94422507138.

The square root of 83170522449 is 288393.

It is a perfect power (a square), and thus also a powerful number.

83170522449 is a `hidden beast` number, since 83 + 1 + 7 + 0 + 522 + 4 + 49 = 666.

It is not a de Polignac number, because 83170522449 - 2³¹ = 81023038801 is a prime.

It is a super-2 number, since 2×83170522449² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (83170527449) by changing a digit.

It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 187743622 + ... + 187744064.

Almost surely, 2^83170522449 is an apocalyptic number.

83170522449 is the 288393-rd square number.

83170522449 is the 144197-th centered octagonal number.

It is an amenable number.

83170522449 is a deficient number, since it is larger than the sum of its proper divisors (61558743960).

83170522449 is an equidigital number, since it uses as much as digits as its factorization.

83170522449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 968 (or 484 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 45.

The spelling of 83170522449 in words is "eighty-three billion, one hundred seventy million, five hundred twenty-two thousand, four hundred forty-nine".