11167890 has 16 divisors (see below), whose sum is σ = 26803008. Its totient is φ = 2978096.

The previous prime is 11167889. The next prime is 11167907. The reversal of 11167890 is 9876111.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 186102 + ... + 186161.

It is an arithmetic number, because the mean of its divisors is an integer number (1675188).

Almost surely, 2^11167890 is an apocalyptic number.

11167890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11167890 is an abundant number, since it is smaller than the sum of its proper divisors (15635118).

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

11167890 is a wasteful number, since it uses less digits than its factorization.

11167890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 372273.

The product of its (nonzero) digits is 3024, while the sum is 33.

The square root of 11167890 is about 3341.8393139108. The cubic root of 11167890 is about 223.5237676729.

The spelling of 11167890 in words is "eleven million, one hundred sixty-seven thousand, eight hundred ninety".