16133669091 has 12 divisors (see below), whose sum is σ = 23310470040. Its totient is φ = 10752880320.

The previous prime is 16133669089. The next prime is 16133669113. The reversal of 16133669091 is 19096633161.

It is a happy number.

It is not a de Polignac number, because 16133669091 - 2¹ = 16133669089 is a prime.

It is not an unprimeable number, because it can be changed into a prime (16133669491) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 206070 + ... + 273371.

It is an arithmetic number, because the mean of its divisors is an integer number (1942539170).

Almost surely, 2^16133669091 is an apocalyptic number.

16133669091 is a deficient number, since it is larger than the sum of its proper divisors (7176800949).

16133669091 is a wasteful number, since it uses less digits than its factorization.

16133669091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 483186 (or 483183 counting only the distinct ones).

The product of its (nonzero) digits is 157464, while the sum is 45.

The spelling of 16133669091 in words is "sixteen billion, one hundred thirty-three million, six hundred sixty-nine thousand, ninety-one".