11667560 has 16 divisors (see below), whose sum is σ = 26252100. Its totient is φ = 4667008.

The previous prime is 11667547. The next prime is 11667587. The reversal of 11667560 is 6576611.

It can be written as a sum of positive squares in 2 ways, for example, as 11062276 + 605284 = 3326^2 + 778^2 .

It is a super-2 number, since 2×11667560² = 272263912707200, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 145805 + ... + 145884.

Almost surely, 2^11667560 is an apocalyptic number.

11667560 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11667560 is an abundant number, since it is smaller than the sum of its proper divisors (14584540).

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

11667560 is a wasteful number, since it uses less digits than its factorization.

11667560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 291700 (or 291696 counting only the distinct ones).

The product of its (nonzero) digits is 7560, while the sum is 32.

The square root of 11667560 is about 3415.7810234264. The cubic root of 11667560 is about 226.8088592624.

It can be divided in two parts, 116 and 67560, that added together give a palindrome (67676).

The spelling of 11667560 in words is "eleven million, six hundred sixty-seven thousand, five hundred sixty".