16326474082191 has 96 divisors (see below), whose sum is σ = 30793040445440. Its totient is φ = 8094274417152.

The previous prime is 16326474082151. The next prime is 16326474082199. The reversal of 16326474082191 is 19128047462361.

16326474082191 is a `hidden beast` number, since 1 + 6 + 3 + 2 + 6 + 47 + 408 + 2 + 191 = 666.

It is not a de Polignac number, because 16326474082191 - 2⁷ = 16326474082063 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16326474082199) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 2154430 + ... + 6106923.

Almost surely, 2^{16326474082191} is an apocalyptic number.

16326474082191 is a deficient number, since it is larger than the sum of its proper divisors (14466566363249).

16326474082191 is a wasteful number, since it uses less digits than its factorization.

16326474082191 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8261525 (or 8261522 counting only the distinct ones).

The product of its (nonzero) digits is 3483648, while the sum is 54.

The spelling of 16326474082191 in words is "sixteen trillion, three hundred twenty-six billion, four hundred seventy-four million, eighty-two thousand, one hundred ninety-one".