16766766675 has 36 divisors (see below), whose sum is σ = 30086870944. Its totient is φ = 8925681600.

The previous prime is 16766766659. The next prime is 16766766677. The reversal of 16766766675 is 57666766761.

It is not a de Polignac number, because 16766766675 - 2⁴ = 16766766659 is a prime.

It is a super-2 number, since 2×16766766675² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16766766677) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 52854 + ... + 190596.

Almost surely, 2^16766766675 is an apocalyptic number.

16766766675 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

16766766675 is a deficient number, since it is larger than the sum of its proper divisors (13320104269).

16766766675 is a wasteful number, since it uses less digits than its factorization.

16766766675 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138300 (or 138292 counting only the distinct ones).

The product of its digits is 80015040, while the sum is 63.

It can be divided in two parts, 1676676667 and 5, that added together give a cube (1676676672 = 1188³).

The spelling of 16766766675 in words is "sixteen billion, seven hundred sixty-six million, seven hundred sixty-six thousand, six hundred seventy-five".