16545060342261 has 24 divisors (see below), whose sum is σ = 26071155658080. Its totient is φ = 10027251036000.

The previous prime is 16545060342253. The next prime is 16545060342277. The reversal of 16545060342261 is 16224306054561.

16545060342261 is a `hidden beast` number, since 1 + 6 + 5 + 45 + 0 + 6 + 0 + 342 + 261 = 666.

It is not a de Polignac number, because 16545060342261 - 2³ = 16545060342253 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16545060342211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 21761586 + ... + 22509036.

It is an arithmetic number, because the mean of its divisors is an integer number (1086298152420).

Almost surely, 2^{16545060342261} is an apocalyptic number.

16545060342261 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

16545060342261 is a deficient number, since it is larger than the sum of its proper divisors (9526095315819).

16545060342261 is a wasteful number, since it uses less digits than its factorization.

16545060342261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 971057 (or 971054 counting only the distinct ones).

The product of its (nonzero) digits is 1036800, while the sum is 45.

The spelling of 16545060342261 in words is "sixteen trillion, five hundred forty-five billion, sixty million, three hundred forty-two thousand, two hundred sixty-one".