16766413 has 4 divisors (see below), whose sum is σ = 16898560. Its totient is φ = 16634268.

The previous prime is 16766383. The next prime is 16766419. The reversal of 16766413 is 31466761.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 31466761 = 37 ⋅850453.

It is a cyclic number.

It is not a de Polignac number, because 16766413 - 2¹⁷ = 16635341 is a prime.

It is a super-2 number, since 2×16766413² = 562225209773138, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16766419) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 65883 + ... + 66136.

It is an arithmetic number, because the mean of its divisors is an integer number (4224640).

Almost surely, 2^16766413 is an apocalyptic number.

It is an amenable number.

16766413 is a deficient number, since it is larger than the sum of its proper divisors (132147).

16766413 is a wasteful number, since it uses less digits than its factorization.

16766413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132146.

The product of its digits is 18144, while the sum is 34.

The square root of 16766413 is about 4094.6810620609. The cubic root of 16766413 is about 255.9450413028.

The spelling of 16766413 in words is "sixteen million, seven hundred sixty-six thousand, four hundred thirteen".