16263150971677 has 2 divisors, whose sum is σ = 16263150971678. Its totient is φ = 16263150971676.

The previous prime is 16263150971647. The next prime is 16263150971737. The reversal of 16263150971677 is 77617905136261.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12944028123961 + 3319122847716 = 3597781^2 + 1821846^2 .

It is a cyclic number.

It is not a de Polignac number, because 16263150971677 - 2³⁵ = 16228791233309 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16263150971647) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8131575485838 + 8131575485839.

It is an arithmetic number, because the mean of its divisors is an integer number (8131575485839).

Almost surely, 2^{16263150971677} is an apocalyptic number.

It is an amenable number.

16263150971677 is a deficient number, since it is larger than the sum of its proper divisors (1).

16263150971677 is an equidigital number, since it uses as much as digits as its factorization.

16263150971677 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20003760, while the sum is 61.

The spelling of 16263150971677 in words is "sixteen trillion, two hundred sixty-three billion, one hundred fifty million, nine hundred seventy-one thousand, six hundred seventy-seven".