16277682660787 has 4 divisors (see below), whose sum is σ = 16335200974360. Its totient is φ = 16220164347216.

The previous prime is 16277682660781. The next prime is 16277682660793. The reversal of 16277682660787 is 78706628677261.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (16277682660781) and next prime (16277682660793).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16277682660787 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16277682660781) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28759156362 + ... + 28759156927.

It is an arithmetic number, because the mean of its divisors is an integer number (4083800243590).

Almost surely, 2^{16277682660787} is an apocalyptic number.

16277682660787 is a deficient number, since it is larger than the sum of its proper divisors (57518313573).

16277682660787 is an equidigital number, since it uses as much as digits as its factorization.

16277682660787 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57518313572.

The product of its (nonzero) digits is 796594176, while the sum is 73.

The spelling of 16277682660787 in words is "sixteen trillion, two hundred seventy-seven billion, six hundred eighty-two million, six hundred sixty thousand, seven hundred eighty-seven".