616201120100491 has 2 divisors, whose sum is σ = 616201120100492. Its totient is φ = 616201120100490.

The previous prime is 616201120100477. The next prime is 616201120100543. The reversal of 616201120100491 is 194001021102616.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 616201120100491 - 2²⁹ = 616200583229579 is a prime.

It is not a weakly prime, because it can be changed into another prime (616201120100471) 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, 308100560050245 + 308100560050246.

It is an arithmetic number, because the mean of its divisors is an integer number (308100560050246).

Almost surely, 2^{616201120100491} is an apocalyptic number.

616201120100491 is a deficient number, since it is larger than the sum of its proper divisors (1).

616201120100491 is an equidigital number, since it uses as much as digits as its factorization.

616201120100491 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5184, while the sum is 34.

The spelling of 616201120100491 in words is "six hundred sixteen trillion, two hundred one billion, one hundred twenty million, one hundred thousand, four hundred ninety-one".