16553365101 has 48 divisors (see below), whose sum is σ = 29910724480. Its totient is φ = 8588280960.

The previous prime is 16553365099. The next prime is 16553365111. The reversal of 16553365101 is 10156335561.

16553365101 is a `hidden beast` number, since 1 + 65 + 53 + 36 + 510 + 1 = 666.

It is not a de Polignac number, because 16553365101 - 2¹ = 16553365099 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16553365111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 115711 + ... + 215628.

Almost surely, 2^16553365101 is an apocalyptic number.

It is an amenable number.

16553365101 is a deficient number, since it is larger than the sum of its proper divisors (13357359379).

16553365101 is a wasteful number, since it uses less digits than its factorization.

16553365101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 331426 (or 331423 counting only the distinct ones).

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

The spelling of 16553365101 in words is "sixteen billion, five hundred fifty-three million, three hundred sixty-five thousand, one hundred one".