16768645382026 has 8 divisors (see below), whose sum is σ = 25153042980420. Its totient is φ = 8384297721888.

The previous prime is 16768645382017. The next prime is 16768645382077. The reversal of 16768645382026 is 62028354686761.

It can be written as a sum of positive squares in 2 ways, for example, as 16157176120801 + 611469261225 = 4019599^2 + 781965^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11633491 + ... + 12995206.

Almost surely, 2^{16768645382026} is an apocalyptic number.

16768645382026 is a deficient number, since it is larger than the sum of its proper divisors (8384397598394).

16768645382026 is a wasteful number, since it uses less digits than its factorization.

16768645382026 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24969128.

The product of its (nonzero) digits is 139345920, while the sum is 64.

The spelling of 16768645382026 in words is "sixteen trillion, seven hundred sixty-eight billion, six hundred forty-five million, three hundred eighty-two thousand, twenty-six".