16149458 has 8 divisors (see below), whose sum is σ = 26087628. Its totient is φ = 7453584.

The previous prime is 16149457. The next prime is 16149503. The reversal of 16149458 is 85494161.

It can be written as a sum of positive squares in 2 ways, for example, as 15816529 + 332929 = 3977^2 + 577^2 .

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

It is an alternating number because its digits alternate between odd and even.

It is not an unprimeable number, because it can be changed into a prime (16149451) 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, 310541 + ... + 310592.

Almost surely, 2^16149458 is an apocalyptic number.

16149458 is a deficient number, since it is larger than the sum of its proper divisors (9938170).

16149458 is a wasteful number, since it uses less digits than its factorization.

16149458 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 621148.

The product of its digits is 34560, while the sum is 38.

The square root of 16149458 is about 4018.6388242787. The cubic root of 16149458 is about 252.7663848810.

The spelling of 16149458 in words is "sixteen million, one hundred forty-nine thousand, four hundred fifty-eight".