16451376553073 has 16 divisors (see below), whose sum is σ = 20702496927744. Its totient is φ = 12699448334160.

The previous prime is 16451376553069. The next prime is 16451376553109. The reversal of 16451376553073 is 37035567315461.

It is not a de Polignac number, because 16451376553073 - 2² = 16451376553069 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (16451376553033) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 998376065 + ... + 998392542.

It is an arithmetic number, because the mean of its divisors is an integer number (1293906057984).

Almost surely, 2^{16451376553073} is an apocalyptic number.

It is an amenable number.

16451376553073 is a deficient number, since it is larger than the sum of its proper divisors (4251120374671).

16451376553073 is a wasteful number, since it uses less digits than its factorization.

16451376553073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1996768732.

The product of its (nonzero) digits is 23814000, while the sum is 56.

The spelling of 16451376553073 in words is "sixteen trillion, four hundred fifty-one billion, three hundred seventy-six million, five hundred fifty-three thousand, seventy-three".