16502053461191 has 2 divisors, whose sum is σ = 16502053461192. Its totient is φ = 16502053461190.

The previous prime is 16502053461161. The next prime is 16502053461253. The reversal of 16502053461191 is 19116435020561.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16502053461191 is a prime.

It is a super-4 number, since 4×16502053461191⁴ (a number of 54 digits) contains 4444 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16502053461121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8251026730595 + 8251026730596.

It is an arithmetic number, because the mean of its divisors is an integer number (8251026730596).

Almost surely, 2^{16502053461191} is an apocalyptic number.

16502053461191 is a deficient number, since it is larger than the sum of its proper divisors (1).

16502053461191 is an equidigital number, since it uses as much as digits as its factorization.

16502053461191 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 194400, while the sum is 44.

The spelling of 16502053461191 in words is "sixteen trillion, five hundred two billion, fifty-three million, four hundred sixty-one thousand, one hundred ninety-one".