641210416 has 160 divisors (see below), whose sum is σ = 1626324480. Its totient is φ = 237619200.

The previous prime is 641210413. The next prime is 641210429. The reversal of 641210416 is 614012146.

It is a super-2 number, since 2×641210416² = 822301595173786112, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (641210411) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4680300 + ... + 4680436.

It is an arithmetic number, because the mean of its divisors is an integer number (10164528).

Almost surely, 2^641210416 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 641210416, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (813162240).

641210416 is an abundant number, since it is smaller than the sum of its proper divisors (985114064).

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

641210416 is a wasteful number, since it uses less digits than its factorization.

641210416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 323 (or 317 counting only the distinct ones).

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

The square root of 641210416 is about 25322.1329275399. The cubic root of 641210416 is about 862.3168176683.

The spelling of 641210416 in words is "six hundred forty-one million, two hundred ten thousand, four hundred sixteen".