641467726152 has 128 divisors (see below), whose sum is σ = 1853831577600. Its totient is φ = 182805120000.

The previous prime is 641467726099. The next prime is 641467726181. The reversal of 641467726152 is 251627764146.

It is a super-2 number, since 2×641467726152² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a junction number, because it is equal to n+sod(n) for n = 641467726095 and 641467726104.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5684277 + ... + 5796027.

It is an arithmetic number, because the mean of its divisors is an integer number (14483059200).

Almost surely, 2^641467726152 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 641467726152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (926915788800).

641467726152 is an abundant number, since it is smaller than the sum of its proper divisors (1212363851448).

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

641467726152 is a wasteful number, since it uses less digits than its factorization.

641467726152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113067 (or 113063 counting only the distinct ones).

The product of its digits is 3386880, while the sum is 51.

The spelling of 641467726152 in words is "six hundred forty-one billion, four hundred sixty-seven million, seven hundred twenty-six thousand, one hundred fifty-two".