16545122332761 has 64 divisors (see below), whose sum is σ = 24903678560256. Its totient is φ = 9682538342400.

The previous prime is 16545122332757. The next prime is 16545122332847. The reversal of 16545122332761 is 16723322154561.

It is not a de Polignac number, because 16545122332761 - 2² = 16545122332757 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 16545122332761.

It is not an unprimeable number, because it can be changed into a prime (16545122331761) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 90852780 + ... + 91034706.

It is an arithmetic number, because the mean of its divisors is an integer number (389119977504).

Almost surely, 2^{16545122332761} is an apocalyptic number.

16545122332761 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

16545122332761 is a deficient number, since it is larger than the sum of its proper divisors (8358556227495).

16545122332761 is a wasteful number, since it uses less digits than its factorization.

16545122332761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182542.

The product of its digits is 1814400, while the sum is 48.

The spelling of 16545122332761 in words is "sixteen trillion, five hundred forty-five billion, one hundred twenty-two million, three hundred thirty-two thousand, seven hundred sixty-one".