16901846197 has 2 divisors, whose sum is σ = 16901846198. Its totient is φ = 16901846196.

The previous prime is 16901846177. The next prime is 16901846243. The reversal of 16901846197 is 79164810961.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 16897660081 + 4186116 = 129991^2 + 2046^2 .

It is a cyclic number.

It is not a de Polignac number, because 16901846197 - 2⁷ = 16901846069 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16901846107) 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 as a sum of consecutive naturals, namely, 8450923098 + 8450923099.

It is an arithmetic number, because the mean of its divisors is an integer number (8450923099).

Almost surely, 2^16901846197 is an apocalyptic number.

It is an amenable number.

16901846197 is a deficient number, since it is larger than the sum of its proper divisors (1).

16901846197 is an equidigital number, since it uses as much as digits as its factorization.

16901846197 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 653184, while the sum is 52.

The spelling of 16901846197 in words is "sixteen billion, nine hundred one million, eight hundred forty-six thousand, one hundred ninety-seven".