16340450553 has 24 divisors (see below), whose sum is σ = 27236613248. Its totient is φ = 9246742272.

The previous prime is 16340450447. The next prime is 16340450587. The reversal of 16340450553 is 35505404361.

16340450553 is a `hidden beast` number, since 1 + 63 + 4 + 0 + 45 + 0 + 553 = 666.

It is not a de Polignac number, because 16340450553 - 2⁹ = 16340450041 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16340450593) 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, 1252600 + ... + 1265577.

Almost surely, 2^16340450553 is an apocalyptic number.

It is an amenable number.

16340450553 is a deficient number, since it is larger than the sum of its proper divisors (10896162695).

16340450553 is a wasteful number, since it uses less digits than its factorization.

16340450553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2518293 (or 2518290 counting only the distinct ones).

The product of its (nonzero) digits is 108000, while the sum is 36.

The spelling of 16340450553 in words is "sixteen billion, three hundred forty million, four hundred fifty thousand, five hundred fifty-three".