16768478621763 has 32 divisors (see below), whose sum is σ = 27101043348480. Its totient is φ = 10162537377120.

The previous prime is 16768478621693. The next prime is 16768478621767. The reversal of 16768478621763 is 36712687486761.

16768478621763 is a `hidden beast` number, since 1 + 6 + 7 + 68 + 478 + 6 + 21 + 76 + 3 = 666.

It is not a de Polignac number, because 16768478621763 - 2¹⁰ = 16768478620739 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 16768478621691 and 16768478621700.

It is not an unprimeable number, because it can be changed into a prime (16768478621767) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17731270 + ... + 18653012.

It is an arithmetic number, because the mean of its divisors is an integer number (846907604640).

Almost surely, 2^{16768478621763} is an apocalyptic number.

16768478621763 is a deficient number, since it is larger than the sum of its proper divisors (10332564726717).

16768478621763 is a wasteful number, since it uses less digits than its factorization.

16768478621763 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 983016 (or 983010 counting only the distinct ones).

The product of its digits is 682795008, while the sum is 72.

The spelling of 16768478621763 in words is "sixteen trillion, seven hundred sixty-eight billion, four hundred seventy-eight million, six hundred twenty-one thousand, seven hundred sixty-three".