16766232655 has 8 divisors (see below), whose sum is σ = 20126023632. Its totient is φ = 13408623168.

The previous prime is 16766232629. The next prime is 16766232661. The reversal of 16766232655 is 55623266761.

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

It is a cyclic number.

It is not a de Polignac number, because 16766232655 - 2¹⁹ = 16765708367 is a prime.

It is a super-2 number, since 2×16766232655² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 16766232599 and 16766232608.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 528414 + ... + 559243.

It is an arithmetic number, because the mean of its divisors is an integer number (2515752954).

Almost surely, 2^16766232655 is an apocalyptic number.

16766232655 is a deficient number, since it is larger than the sum of its proper divisors (3359790977).

16766232655 is a wasteful number, since it uses less digits than its factorization.

16766232655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1090745.

The product of its digits is 2721600, while the sum is 49.

The spelling of 16766232655 in words is "sixteen billion, seven hundred sixty-six million, two hundred thirty-two thousand, six hundred fifty-five".