16103365551 has 24 divisors (see below), whose sum is σ = 28628206880. Its totient is φ = 8494082496.

The previous prime is 16103365529. The next prime is 16103365559. The reversal of 16103365551 is 15556330161.

16103365551 is a `hidden beast` number, since 1 + 6 + 10 + 33 + 65 + 551 = 666.

It is not a de Polignac number, because 16103365551 - 2¹⁰ = 16103364527 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16103365559) 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, 9830296 + ... + 9831933.

Almost surely, 2^16103365551 is an apocalyptic number.

16103365551 is a deficient number, since it is larger than the sum of its proper divisors (12524841329).

16103365551 is a wasteful number, since it uses less digits than its factorization.

16103365551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19662255 (or 19662252 counting only the distinct ones).

The product of its (nonzero) digits is 40500, while the sum is 36.

The spelling of 16103365551 in words is "sixteen billion, one hundred three million, three hundred sixty-five thousand, five hundred fifty-one".