16466042 has 4 divisors (see below), whose sum is σ = 24699066. Its totient is φ = 8233020.

The previous prime is 16466039. The next prime is 16466057. The reversal of 16466042 is 24066461.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 24066461 = 163 ⋅147647.

It can be written as a sum of positive squares in only one way, i.e., 14830201 + 1635841 = 3851^2 + 1279^2 .

It is a super-2 number, since 2×16466042² = 542261078291528, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 16465996 and 16466014.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4116509 + ... + 4116512.

Almost surely, 2^16466042 is an apocalyptic number.

16466042 is a deficient number, since it is larger than the sum of its proper divisors (8233024).

16466042 is an equidigital number, since it uses as much as digits as its factorization.

16466042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8233023.

The product of its (nonzero) digits is 6912, while the sum is 29.

The square root of 16466042 is about 4057.8371086085. The cubic root of 16466042 is about 254.4074000227.

The spelling of 16466042 in words is "sixteen million, four hundred sixty-six thousand, forty-two".