11660451 has 16 divisors (see below), whose sum is σ = 17045760. Its totient is φ = 7031520.

The previous prime is 11660443. The next prime is 11660459. The reversal of 11660451 is 15406611.

11660451 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (11660443) and next prime (11660459).

It is not a de Polignac number, because 11660451 - 2³ = 11660443 is a prime.

It is a super-2 number, since 2×11660451² = 271932235046802, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11660459) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6786 + ... + 8328.

It is an arithmetic number, because the mean of its divisors is an integer number (1065360).

Almost surely, 2^11660451 is an apocalyptic number.

11660451 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

11660451 is a deficient number, since it is larger than the sum of its proper divisors (5385309).

11660451 is a wasteful number, since it uses less digits than its factorization.

11660451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1786.

The product of its (nonzero) digits is 720, while the sum is 24.

The square root of 11660451 is about 3414.7402536650. The cubic root of 11660451 is about 226.7627853114.

The spelling of 11660451 in words is "eleven million, six hundred sixty thousand, four hundred fifty-one".