16507273336061 has 2 divisors, whose sum is σ = 16507273336062. Its totient is φ = 16507273336060.

The previous prime is 16507273336003. The next prime is 16507273336063. The reversal of 16507273336061 is 16063337270561.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 16503955000036 + 3318336025 = 4062506^2 + 57605^2 .

It is a cyclic number.

It is not a de Polignac number, because 16507273336061 - 2⁶ = 16507273335997 is a prime.

Together with 16507273336063, 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 (16507273336063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8253636668030 + 8253636668031.

It is an arithmetic number, because the mean of its divisors is an integer number (8253636668031).

Almost surely, 2^{16507273336061} is an apocalyptic number.

It is an amenable number.

16507273336061 is a deficient number, since it is larger than the sum of its proper divisors (1).

16507273336061 is an equidigital number, since it uses as much as digits as its factorization.

16507273336061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2857680, while the sum is 50.

The spelling of 16507273336061 in words is "sixteen trillion, five hundred seven billion, two hundred seventy-three million, three hundred thirty-six thousand, sixty-one".