16466402 has 4 divisors (see below), whose sum is σ = 24699606. Its totient is φ = 8233200.

The previous prime is 16466393. The next prime is 16466419. The reversal of 16466402 is 20466461.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 16313521 + 152881 = 4039^2 + 391^2 .

It is a super-2 number, since 2×16466402² = 542284789651208, which contains 22 as substring.

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, 4116599 + ... + 4116602.

Almost surely, 2^16466402 is an apocalyptic number.

16466402 is a deficient number, since it is larger than the sum of its proper divisors (8233204).

16466402 is an equidigital number, since it uses as much as digits as its factorization.

16466402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8233203.

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

The square root of 16466402 is about 4057.8814669726. The cubic root of 16466402 is about 254.4092540606.

It can be divided in two parts, 164 and 66402, that added together give a palindrome (66566).

The spelling of 16466402 in words is "sixteen million, four hundred sixty-six thousand, four hundred two".