16529940827 has 2 divisors, whose sum is σ = 16529940828. Its totient is φ = 16529940826.

The previous prime is 16529940821. The next prime is 16529940829. The reversal of 16529940827 is 72804992561.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16529940827 is a prime.

Together with 16529940829, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (16529940821) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8264970413 + 8264970414.

It is an arithmetic number, because the mean of its divisors is an integer number (8264970414).

Almost surely, 2^16529940827 is an apocalyptic number.

16529940827 is a deficient number, since it is larger than the sum of its proper divisors (1).

16529940827 is an equidigital number, since it uses as much as digits as its factorization.

16529940827 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2177280, while the sum is 53.

The spelling of 16529940827 in words is "sixteen billion, five hundred twenty-nine million, nine hundred forty thousand, eight hundred twenty-seven".