16061101551 has 16 divisors (see below), whose sum is σ = 25957336320. Its totient is φ = 9734000760.

The previous prime is 16061101541. The next prime is 16061101559. The reversal of 16061101551 is 15510116061.

16061101551 is a `hidden beast` number, since 1 + 6 + 0 + 6 + 1 + 101 + 551 = 666.

It is not a de Polignac number, because 16061101551 - 2²² = 16056907247 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16061101559) 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, 27038595 + ... + 27039188.

It is an arithmetic number, because the mean of its divisors is an integer number (1622333520).

Almost surely, 2^16061101551 is an apocalyptic number.

16061101551 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

16061101551 is a deficient number, since it is larger than the sum of its proper divisors (9896234769).

16061101551 is a wasteful number, since it uses less digits than its factorization.

16061101551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54077803 (or 54077797 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 27.

The spelling of 16061101551 in words is "sixteen billion, sixty-one million, one hundred one thousand, five hundred fifty-one".