16050517551 has 16 divisors (see below), whose sum is σ = 23797941600. Its totient is φ = 10691616384.

The previous prime is 16050517543. The next prime is 16050517573. The reversal of 16050517551 is 15571505061.

It is a happy number.

16050517551 is a `hidden beast` number, since 1 + 6 + 0 + 50 + 51 + 7 + 551 = 666.

It is not a de Polignac number, because 16050517551 - 2³ = 16050517543 is a prime.

It is a super-2 number, since 2×16050517551² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16050517591) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 208666 + ... + 275031.

It is an arithmetic number, because the mean of its divisors is an integer number (1487371350).

Almost surely, 2^16050517551 is an apocalyptic number.

16050517551 is a deficient number, since it is larger than the sum of its proper divisors (7747424049).

16050517551 is a wasteful number, since it uses less digits than its factorization.

16050517551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 484935 (or 484929 counting only the distinct ones).

The product of its (nonzero) digits is 26250, while the sum is 36.

The spelling of 16050517551 in words is "sixteen billion, fifty million, five hundred seventeen thousand, five hundred fifty-one".