11660998 has 8 divisors (see below), whose sum is σ = 17898408. Its totient is φ = 5694864.

The previous prime is 11660993. The next prime is 11661011. The reversal of 11660998 is 89906611.

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

It is a self number, because there is not a number n which added to its sum of digits gives 11660998.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11660993) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 67711 + ... + 67882.

It is an arithmetic number, because the mean of its divisors is an integer number (2237301).

Almost surely, 2^11660998 is an apocalyptic number.

11660998 is a deficient number, since it is larger than the sum of its proper divisors (6237410).

11660998 is a wasteful number, since it uses less digits than its factorization.

11660998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135638.

The product of its (nonzero) digits is 23328, while the sum is 40.

The square root of 11660998 is about 3414.8203466654. The cubic root of 11660998 is about 226.7663311234.

The spelling of 11660998 in words is "eleven million, six hundred sixty thousand, nine hundred ninety-eight".