11661470 has 8 divisors (see below), whose sum is σ = 20990664. Its totient is φ = 4664584.

The previous prime is 11661467. The next prime is 11661491. The reversal of 11661470 is 7416611.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 583064 + ... + 583083.

It is an arithmetic number, because the mean of its divisors is an integer number (2623833).

Almost surely, 2^11661470 is an apocalyptic number.

11661470 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11661470 is a deficient number, since it is larger than the sum of its proper divisors (9329194).

11661470 is a wasteful number, since it uses less digits than its factorization.

11661470 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1166154.

The product of its (nonzero) digits is 1008, while the sum is 26.

The square root of 11661470 is about 3414.8894564832. The cubic root of 11661470 is about 226.7693906747.

The spelling of 11661470 in words is "eleven million, six hundred sixty-one thousand, four hundred seventy".