11641642 has 8 divisors (see below), whose sum is σ = 18381600. Its totient is φ = 5514444.

The previous prime is 11641639. The next prime is 11641681. The reversal of 11641642 is 24614611.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 153142 + ... + 153217.

It is an arithmetic number, because the mean of its divisors is an integer number (2297700).

Almost surely, 2^11641642 is an apocalyptic number.

11641642 is a deficient number, since it is larger than the sum of its proper divisors (6739958).

11641642 is a wasteful number, since it uses less digits than its factorization.

11641642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 306380.

The product of its digits is 1152, while the sum is 25.

The square root of 11641642 is about 3411.9850527222. The cubic root of 11641642 is about 226.6407924137.

The spelling of 11641642 in words is "eleven million, six hundred forty-one thousand, six hundred forty-two".