16532171245 has 8 divisors (see below), whose sum is σ = 19844204184. Its totient is φ = 13222004544.

The previous prime is 16532171221. The next prime is 16532171291. The reversal of 16532171245 is 54217123561.

It can be written as a sum of positive squares in 4 ways, for example, as 224370441 + 16307800804 = 14979^2 + 127702^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16532171245 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 446994 + ... + 482563.

It is an arithmetic number, because the mean of its divisors is an integer number (2480525523).

Almost surely, 2^16532171245 is an apocalyptic number.

It is an amenable number.

16532171245 is a deficient number, since it is larger than the sum of its proper divisors (3312032939).

16532171245 is an equidigital number, since it uses as much as digits as its factorization.

16532171245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 933119.

The product of its digits is 50400, while the sum is 37.

The spelling of 16532171245 in words is "sixteen billion, five hundred thirty-two million, one hundred seventy-one thousand, two hundred forty-five".