16546457210023 has 4 divisors (see below), whose sum is σ = 17819261610808. Its totient is φ = 15273652809240.

The previous prime is 16546457209987. The next prime is 16546457210083. The reversal of 16546457210023 is 32001275464561.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16546457210023 is a prime.

It is a super-2 number, since 2×16546457210023² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16546457210083) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 636402200373 + ... + 636402200398.

It is an arithmetic number, because the mean of its divisors is an integer number (4454815402702).

Almost surely, 2^{16546457210023} is an apocalyptic number.

16546457210023 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

16546457210023 is a deficient number, since it is larger than the sum of its proper divisors (1272804400785).

16546457210023 is a wasteful number, since it uses less digits than its factorization.

16546457210023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1272804400784.

The product of its (nonzero) digits is 1209600, while the sum is 46.

The spelling of 16546457210023 in words is "sixteen trillion, five hundred forty-six billion, four hundred fifty-seven million, two hundred ten thousand, twenty-three".