16378090 has 16 divisors (see below), whose sum is σ = 30108672. Its totient is φ = 6411664.

The previous prime is 16378081. The next prime is 16378091. The reversal of 16378090 is 9087361.

It is not an unprimeable number, because it can be changed into a prime (16378091) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16954 + ... + 17893.

It is an arithmetic number, because the mean of its divisors is an integer number (1881792).

Almost surely, 2^16378090 is an apocalyptic number.

16378090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16378090 is a deficient number, since it is larger than the sum of its proper divisors (13730582).

16378090 is a wasteful number, since it uses less digits than its factorization.

16378090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34901.

The product of its (nonzero) digits is 9072, while the sum is 34.

The square root of 16378090 is about 4046.9852977247. The cubic root of 16378090 is about 253.9536257743.

The spelling of 16378090 in words is "sixteen million, three hundred seventy-eight thousand, ninety".