16540620147 has 10 divisors (see below), whose sum is σ = 24708827748. Its totient is φ = 11027080044.

The previous prime is 16540620001. The next prime is 16540620157. The reversal of 16540620147 is 74102604561.

16540620147 is a `hidden beast` number, since 1 + 6 + 5 + 406 + 201 + 47 = 666.

It is not a de Polignac number, because 16540620147 - 2²³ = 16532231539 is a prime.

It is a super-2 number, since 2×16540620147² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (16540620157) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 102102513 + ... + 102102674.

Almost surely, 2^16540620147 is an apocalyptic number.

16540620147 is a deficient number, since it is larger than the sum of its proper divisors (8168207601).

16540620147 is an equidigital number, since it uses as much as digits as its factorization.

16540620147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204205199 (or 204205190 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 36.

The spelling of 16540620147 in words is "sixteen billion, five hundred forty million, six hundred twenty thousand, one hundred forty-seven".