16766375155 has 4 divisors (see below), whose sum is σ = 20119650192. Its totient is φ = 13413100120.

The previous prime is 16766375117. The next prime is 16766375161. The reversal of 16766375155 is 55157366761.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 55157366761 = 7 ⋅7879623823.

It is not a de Polignac number, because 16766375155 - 2¹³ = 16766366963 is a prime.

It is a super-2 number, since 2×16766375155² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

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, 1676637511 + ... + 1676637520.

It is an arithmetic number, because the mean of its divisors is an integer number (5029912548).

Almost surely, 2^16766375155 is an apocalyptic number.

16766375155 is a deficient number, since it is larger than the sum of its proper divisors (3353275037).

16766375155 is an equidigital number, since it uses as much as digits as its factorization.

16766375155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3353275036.

The product of its digits is 3969000, while the sum is 52.

The spelling of 16766375155 in words is "sixteen billion, seven hundred sixty-six million, three hundred seventy-five thousand, one hundred fifty-five".