16901983771 has 2 divisors, whose sum is σ = 16901983772. Its totient is φ = 16901983770.

The previous prime is 16901983753. The next prime is 16901983781. The reversal of 16901983771 is 17738910961.

It is a strong prime.

It is an emirp because it is prime and its reverse (17738910961) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 16901983771 - 2¹⁷ = 16901852699 is a prime.

It is not a weakly prime, because it can be changed into another prime (16901983741) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8450991885 + 8450991886.

It is an arithmetic number, because the mean of its divisors is an integer number (8450991886).

Almost surely, 2^16901983771 is an apocalyptic number.

16901983771 is a deficient number, since it is larger than the sum of its proper divisors (1).

16901983771 is an equidigital number, since it uses as much as digits as its factorization.

16901983771 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 571536, while the sum is 52.

The spelling of 16901983771 in words is "sixteen billion, nine hundred one million, nine hundred eighty-three thousand, seven hundred seventy-one".