16545655413645 has 16 divisors (see below), whose sum is σ = 27327017974272. Its totient is φ = 8539693116480.

The previous prime is 16545655413631. The next prime is 16545655413719. The reversal of 16545655413645 is 54631455654561.

It is not a de Polignac number, because 16545655413645 - 2²² = 16545651219341 is a prime.

It is a super-3 number, since 3×16545655413645³ (a number of 41 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17791026862 + ... + 17791027791.

It is an arithmetic number, because the mean of its divisors is an integer number (1707938623392).

Almost surely, 2^{16545655413645} is an apocalyptic number.

16545655413645 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

16545655413645 is a deficient number, since it is larger than the sum of its proper divisors (10781362560627).

16545655413645 is a wasteful number, since it uses less digits than its factorization.

16545655413645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35582054692.

The product of its digits is 129600000, while the sum is 60.

The spelling of 16545655413645 in words is "sixteen trillion, five hundred forty-five billion, six hundred fifty-five million, four hundred thirteen thousand, six hundred forty-five".