11668489970 has 8 divisors (see below), whose sum is σ = 21003281964. Its totient is φ = 4667395984.

The previous prime is 11668489961. The next prime is 11668489991. The reversal of 11668489970 is 7998486611.

It can be written as a sum of positive squares in 2 ways, for example, as 11544857809 + 123632161 = 107447^2 + 11119^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 583424489 + ... + 583424508.

Almost surely, 2^11668489970 is an apocalyptic number.

11668489970 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11668489970 is a deficient number, since it is larger than the sum of its proper divisors (9334791994).

11668489970 is a wasteful number, since it uses less digits than its factorization.

11668489970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1166849004.

The product of its (nonzero) digits is 5225472, while the sum is 59.

The spelling of 11668489970 in words is "eleven billion, six hundred sixty-eight million, four hundred eighty-nine thousand, nine hundred seventy".