11641950 has 72 divisors (see below), whose sum is σ = 32091696. Its totient is φ = 3024000.

The previous prime is 11641943. The next prime is 11641951. The reversal of 11641950 is 5914611.

11641950 is a `hidden beast` number, since 11 + 641 + 9 + 5 + 0 = 666.

11641950 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11641951) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 18135 + ... + 18765.

It is an arithmetic number, because the mean of its divisors is an integer number (445718).

Almost surely, 2^11641950 is an apocalyptic number.

11641950 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 11641950, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16045848).

11641950 is an abundant number, since it is smaller than the sum of its proper divisors (20449746).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11641950 is a wasteful number, since it uses less digits than its factorization.

11641950 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 690 (or 682 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 27.

The square root of 11641950 is about 3412.0301874397. The cubic root of 11641950 is about 226.6427911223.

The spelling of 11641950 in words is "eleven million, six hundred forty-one thousand, nine hundred fifty".