16454402 has 8 divisors (see below), whose sum is σ = 26133516. Its totient is φ = 7743232.

The previous prime is 16454387. The next prime is 16454429. The reversal of 16454402 is 20445461.

It can be written as a sum of positive squares in 2 ways, for example, as 14055001 + 2399401 = 3749^2 + 1549^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 241943 + ... + 242010.

Almost surely, 2^16454402 is an apocalyptic number.

16454402 is a deficient number, since it is larger than the sum of its proper divisors (9679114).

16454402 is a wasteful number, since it uses less digits than its factorization.

16454402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 483972.

The product of its (nonzero) digits is 3840, while the sum is 26.

The square root of 16454402 is about 4056.4025934318. The cubic root of 16454402 is about 254.3474382298.

Adding to 16454402 its reverse (20445461), we get a palindrome (36899863).

The spelling of 16454402 in words is "sixteen million, four hundred fifty-four thousand, four hundred two".