16545122330633 has 8 divisors (see below), whose sum is σ = 18432231774600. Its totient is φ = 14745785419008.

The previous prime is 16545122330623. The next prime is 16545122330657. The reversal of 16545122330633 is 33603322154561.

It can be written as a sum of positive squares in 4 ways, for example, as 989891674489 + 15555230656144 = 994933^2 + 3944012^2 .

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 16545122330633 - 2¹⁴ = 16545122314249 is a prime.

It is a super-2 number, since 2×16545122330633² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16545122330623) 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, 21943132688 + ... + 21943133441.

It is an arithmetic number, because the mean of its divisors is an integer number (2304028971825).

Almost surely, 2^{16545122330633} is an apocalyptic number.

16545122330633 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

16545122330633 is a deficient number, since it is larger than the sum of its proper divisors (1887109443967).

16545122330633 is a wasteful number, since it uses less digits than its factorization.

16545122330633 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43886266171.

The product of its (nonzero) digits is 1166400, while the sum is 44.

The spelling of 16545122330633 in words is "sixteen trillion, five hundred forty-five billion, one hundred twenty-two million, three hundred thirty thousand, six hundred thirty-three".