16369890 has 16 divisors (see below), whose sum is σ = 39287808. Its totient is φ = 4365296.

The previous prime is 16369889. The next prime is 16369897. The reversal of 16369890 is 9896361.

It is a super-2 number, since 2×16369890² = 535946597224200, which contains 22 as substring.

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 (16369897) 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, 272802 + ... + 272861.

It is an arithmetic number, because the mean of its divisors is an integer number (2455488).

Almost surely, 2^16369890 is an apocalyptic number.

16369890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16369890 is an abundant number, since it is smaller than the sum of its proper divisors (22917918).

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

16369890 is a wasteful number, since it uses less digits than its factorization.

16369890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 545673.

The product of its (nonzero) digits is 69984, while the sum is 42.

The square root of 16369890 is about 4045.9720710850. The cubic root of 16369890 is about 253.9112364733.

The spelling of 16369890 in words is "sixteen million, three hundred sixty-nine thousand, eight hundred ninety".