11654660 has 48 divisors (see below), whose sum is σ = 25592112. Its totient is φ = 4454400.

The previous prime is 11654653. The next prime is 11654711. The reversal of 11654660 is 6645611.

It can be written as a sum of positive squares in 8 ways, for example, as 6160324 + 5494336 = 2482^2 + 2344^2 .

It is a Smith number, since the sum of its digits (29) coincides with the sum of the digits of its prime factors.

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, 49904 + ... + 50136.

It is an arithmetic number, because the mean of its divisors is an integer number (533169).

Almost surely, 2^11654660 is an apocalyptic number.

11654660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11654660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12796056).

11654660 is an abundant number, since it is smaller than the sum of its proper divisors (13937452).

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

11654660 is a wasteful number, since it uses less digits than its factorization.

11654660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 344 (or 342 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 11654660 is about 3413.8922068513. The cubic root of 11654660 is about 226.7252395726.

It can be divided in two parts, 1165 and 4660, that multiplied together give a square (5428900 = 2330²).

The spelling of 11654660 in words is "eleven million, six hundred fifty-four thousand, six hundred sixty".