16540536051 has 24 divisors (see below), whose sum is σ = 27083922320. Its totient is φ = 9643064256.

The previous prime is 16540536017. The next prime is 16540536059. The reversal of 16540536051 is 15063504561.

16540536051 is a `hidden beast` number, since 1 + 6 + 5 + 40 + 5 + 3 + 605 + 1 = 666.

It is not a de Polignac number, because 16540536051 - 2¹⁰ = 16540535027 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 16540535997 and 16540536015.

It is not an unprimeable number, because it can be changed into a prime (16540536059) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3718096 + ... + 3722541.

Almost surely, 2^16540536051 is an apocalyptic number.

16540536051 is a deficient number, since it is larger than the sum of its proper divisors (10543386269).

16540536051 is a wasteful number, since it uses less digits than its factorization.

16540536051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7440675 (or 7440672 counting only the distinct ones).

The product of its (nonzero) digits is 54000, while the sum is 36.

The spelling of 16540536051 in words is "sixteen billion, five hundred forty million, five hundred thirty-six thousand, fifty-one".