16766145 has 24 divisors (see below), whose sum is σ = 31704192. Its totient is φ = 8128800.

The previous prime is 16766119. The next prime is 16766161. The reversal of 16766145 is 54166761.

It is not a de Polignac number, because 16766145 - 2⁶ = 16766081 is a prime.

It is a super-2 number, since 2×16766145² = 562207236322050, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16441 + ... + 17430.

It is an arithmetic number, because the mean of its divisors is an integer number (1321008).

Almost surely, 2^16766145 is an apocalyptic number.

16766145 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

16766145 is a deficient number, since it is larger than the sum of its proper divisors (14938047).

16766145 is a wasteful number, since it uses less digits than its factorization.

16766145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33893 (or 33890 counting only the distinct ones).

The product of its digits is 30240, while the sum is 36.

The square root of 16766145 is about 4094.6483365486. The cubic root of 16766145 is about 255.9436775915.

The spelling of 16766145 in words is "sixteen million, seven hundred sixty-six thousand, one hundred forty-five".