11660290 has 16 divisors (see below), whose sum is σ = 21277368. Its totient is φ = 4599936.

The previous prime is 11660269. The next prime is 11660329. The reversal of 11660290 is 9206611.

It can be written as a sum of positive squares in 4 ways, for example, as 10634121 + 1026169 = 3261^2 + 1013^2 .

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, 7257 + ... + 8716.

Almost surely, 2^11660290 is an apocalyptic number.

11660290 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11660290 is a deficient number, since it is larger than the sum of its proper divisors (9617078).

11660290 is a wasteful number, since it uses less digits than its factorization.

11660290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16053.

The product of its (nonzero) digits is 648, while the sum is 25.

The square root of 11660290 is about 3414.7166793162. The cubic root of 11660290 is about 226.7617416417.

It can be divided in two parts, 116 and 60290, that added together give a palindrome (60406).

The spelling of 11660290 in words is "eleven million, six hundred sixty thousand, two hundred ninety".