16545136154427 has 6 divisors (see below), whose sum is σ = 23898530000852. Its totient is φ = 11030090769612.

The previous prime is 16545136154419. The next prime is 16545136154429. The reversal of 16545136154427 is 72445163154561.

16545136154427 is a `hidden beast` number, since 1 + 6 + 5 + 4 + 5 + 13 + 61 + 544 + 27 = 666.

It is not a de Polignac number, because 16545136154427 - 2³ = 16545136154419 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16545136154429) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 919174230793 + ... + 919174230810.

Almost surely, 2^{16545136154427} is an apocalyptic number.

16545136154427 is a deficient number, since it is larger than the sum of its proper divisors (7353393846425).

16545136154427 is a wasteful number, since it uses less digits than its factorization.

16545136154427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1838348461609 (or 1838348461606 counting only the distinct ones).

The product of its digits is 12096000, while the sum is 54.

The spelling of 16545136154427 in words is "sixteen trillion, five hundred forty-five billion, one hundred thirty-six million, one hundred fifty-four thousand, four hundred twenty-seven".