16252500687373 has 2 divisors, whose sum is σ = 16252500687374. Its totient is φ = 16252500687372.

The previous prime is 16252500687233. The next prime is 16252500687377. The reversal of 16252500687373 is 37378600525261.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9783301741929 + 6469198945444 = 3127827^2 + 2543462^2 .

It is a cyclic number.

It is not a de Polignac number, because 16252500687373 - 2⁹ = 16252500686861 is a prime.

It is a super-2 number, since 2×16252500687373² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16252500687377) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8126250343686 + 8126250343687.

It is an arithmetic number, because the mean of its divisors is an integer number (8126250343687).

Almost surely, 2^{16252500687373} is an apocalyptic number.

It is an amenable number.

16252500687373 is a deficient number, since it is larger than the sum of its proper divisors (1).

16252500687373 is an equidigital number, since it uses as much as digits as its factorization.

16252500687373 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12700800, while the sum is 55.

The spelling of 16252500687373 in words is "sixteen trillion, two hundred fifty-two billion, five hundred million, six hundred eighty-seven thousand, three hundred seventy-three".