16887510253 has 2 divisors, whose sum is σ = 16887510254. Its totient is φ = 16887510252.

The previous prime is 16887510217. The next prime is 16887510359. The reversal of 16887510253 is 35201578861.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 16346389609 + 541120644 = 127853^2 + 23262^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16887510253 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16887010253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8443755126 + 8443755127.

It is an arithmetic number, because the mean of its divisors is an integer number (8443755127).

Almost surely, 2^16887510253 is an apocalyptic number.

It is an amenable number.

16887510253 is a deficient number, since it is larger than the sum of its proper divisors (1).

16887510253 is an equidigital number, since it uses as much as digits as its factorization.

16887510253 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 403200, while the sum is 46.

The spelling of 16887510253 in words is "sixteen billion, eight hundred eighty-seven million, five hundred ten thousand, two hundred fifty-three".