11660570 has 8 divisors (see below), whose sum is σ = 20989044. Its totient is φ = 4664224.

The previous prime is 11660567. The next prime is 11660573. The reversal of 11660570 is 7506611.

It is an interprime number because it is at equal distance from previous prime (11660567) and next prime (11660573).

It can be written as a sum of positive squares in 2 ways, for example, as 11015761 + 644809 = 3319^2 + 803^2 .

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

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (11660573) 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 3 ways as a sum of consecutive naturals, for example, 583019 + ... + 583038.

Almost surely, 2^11660570 is an apocalyptic number.

11660570 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11660570 is a deficient number, since it is larger than the sum of its proper divisors (9328474).

11660570 is a wasteful number, since it uses less digits than its factorization.

11660570 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1166064.

The product of its (nonzero) digits is 1260, while the sum is 26.

The square root of 11660570 is about 3414.7576780791. The cubic root of 11660570 is about 226.7635567132.

The spelling of 11660570 in words is "eleven million, six hundred sixty thousand, five hundred seventy".