641136150 has 72 divisors (see below), whose sum is σ = 1730514240. Its totient is φ = 170176320.

The previous prime is 641136137. The next prime is 641136161. The reversal of 641136150 is 51631146.

641136150 is a `hidden beast` number, since 6 + 41 + 1 + 3 + 615 + 0 = 666.

It is a super-2 number, since 2×641136150² = 822111125673645000, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 97156 + ... + 103544.

It is an arithmetic number, because the mean of its divisors is an integer number (24034920).

Almost surely, 2^641136150 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 641136150, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (865257120).

641136150 is an abundant number, since it is smaller than the sum of its proper divisors (1089378090).

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

641136150 is a wasteful number, since it uses less digits than its factorization.

641136150 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6630 (or 6622 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The square root of 641136150 is about 25320.6664604232. Note that the first 3 decimals coincide. The cubic root of 641136150 is about 862.2835247524.

Adding to 641136150 its reverse (51631146), we get a palindrome (692767296).

The spelling of 641136150 in words is "six hundred forty-one million, one hundred thirty-six thousand, one hundred fifty".