16498316501 has 2 divisors, whose sum is σ = 16498316502. Its totient is φ = 16498316500.

The previous prime is 16498316491. The next prime is 16498316503. The reversal of 16498316501 is 10561389461.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10480435876 + 6017880625 = 102374^2 + 77575^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16498316501 is a prime.

Together with 16498316503, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16498316503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8249158250 + 8249158251.

It is an arithmetic number, because the mean of its divisors is an integer number (8249158251).

Almost surely, 2^16498316501 is an apocalyptic number.

It is an amenable number.

16498316501 is a deficient number, since it is larger than the sum of its proper divisors (1).

16498316501 is an equidigital number, since it uses as much as digits as its factorization.

16498316501 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 155520, while the sum is 44.

The spelling of 16498316501 in words is "sixteen billion, four hundred ninety-eight million, three hundred sixteen thousand, five hundred one".