641100716 has 6 divisors (see below), whose sum is σ = 1121926260. Its totient is φ = 320550356.

The previous prime is 641100697. The next prime is 641100743. The reversal of 641100716 is 617001146.

It is a super-2 number, since 2×641100716² = 822020256111425312, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 80137586 + ... + 80137593.

It is an arithmetic number, because the mean of its divisors is an integer number (186987710).

Almost surely, 2^641100716 is an apocalyptic number.

It is an amenable number.

641100716 is a deficient number, since it is larger than the sum of its proper divisors (480825544).

641100716 is a wasteful number, since it uses less digits than its factorization.

641100716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160275183 (or 160275181 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 26.

The square root of 641100716 is about 25319.9667456338. The cubic root of 641100716 is about 862.2676390380.

The spelling of 641100716 in words is "six hundred forty-one million, one hundred thousand, seven hundred sixteen".