641365088453208 has 320 divisors, whose sum is σ = 2081935897451520. Its totient is φ = 180670498444800.

The previous prime is 641365088453107. The next prime is 641365088453249. The reversal of 641365088453208 is 802354880563146.

641365088453208 is a `hidden beast` number, since 6 + 4 + 1 + 36 + 50 + 88 + 453 + 20 + 8 = 666.

It is a super-2 number, since 2×641365088453208² (a number of 30 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 903955953 + ... + 904665183.

It is an arithmetic number, because the mean of its divisors is an integer number (6506049679536).

Almost surely, 2^{641365088453208} 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 641365088453208, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1040967948725760).

641365088453208 is an abundant number, since it is smaller than the sum of its proper divisors (1440570808998312).

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

641365088453208 is a wasteful number, since it uses less digits than its factorization.

641365088453208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 712060 (or 712047 counting only the distinct ones).

The product of its (nonzero) digits is 132710400, while the sum is 63.

The spelling of 641365088453208 in words is "six hundred forty-one trillion, three hundred sixty-five billion, eighty-eight million, four hundred fifty-three thousand, two hundred eight".