16010100991 has 2 divisors, whose sum is σ = 16010100992. Its totient is φ = 16010100990.

The previous prime is 16010100983. The next prime is 16010101061. The reversal of 16010100991 is 19900101061.

It is a weak prime.

It is an emirp because it is prime and its reverse (19900101061) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 16010100991 - 2³ = 16010100983 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16010100901) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8005050495 + 8005050496.

It is an arithmetic number, because the mean of its divisors is an integer number (8005050496).

Almost surely, 2^16010100991 is an apocalyptic number.

16010100991 is a deficient number, since it is larger than the sum of its proper divisors (1).

16010100991 is an equidigital number, since it uses as much as digits as its factorization.

16010100991 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 486, while the sum is 28.

The spelling of 16010100991 in words is "sixteen billion, ten million, one hundred thousand, nine hundred ninety-one".