11161670 has 32 divisors (see below), whose sum is σ = 22583232. Its totient is φ = 3940992.

The previous prime is 11161663. The next prime is 11161681. The reversal of 11161670 is 7616111.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1124 + ... + 4856.

It is an arithmetic number, because the mean of its divisors is an integer number (705726).

Almost surely, 2^11161670 is an apocalyptic number.

11161670 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11161670 is an abundant number, since it is smaller than the sum of its proper divisors (11421562).

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

11161670 is a wasteful number, since it uses less digits than its factorization.

11161670 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3776.

The product of its (nonzero) digits is 252, while the sum is 23.

The square root of 11161670 is about 3340.9085590599. The cubic root of 11161670 is about 223.4822624877.

Adding to 11161670 its reverse (7616111), we get a palindrome (18777781).

The spelling of 11161670 in words is "eleven million, one hundred sixty-one thousand, six hundred seventy".