16149090 has 16 divisors (see below), whose sum is σ = 38757888. Its totient is φ = 4306416.

The previous prime is 16149083. The next prime is 16149097. The reversal of 16149090 is 9094161.

It is an interprime number because it is at equal distance from previous prime (16149083) and next prime (16149097).

It is a Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 538303 = 16149090 / (1 + 6 + 1 + 4 + 9 + 0 + 9 + 0).

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 (16149097) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 269122 + ... + 269181.

It is an arithmetic number, because the mean of its divisors is an integer number (2422368).

Almost surely, 2^16149090 is an apocalyptic number.

16149090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16149090 is an abundant number, since it is smaller than the sum of its proper divisors (22608798).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16149090 is a wasteful number, since it uses less digits than its factorization.

16149090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 538313.

The product of its (nonzero) digits is 1944, while the sum is 30.

The square root of 16149090 is about 4018.5930373702. The cubic root of 16149090 is about 252.7644649252.

The spelling of 16149090 in words is "sixteen million, one hundred forty-nine thousand, ninety".