641167060 has 12 divisors (see below), whose sum is σ = 1346450868. Its totient is φ = 256466816.

The previous prime is 641167057. The next prime is 641167073. The reversal of 641167060 is 60761146.

It can be written as a sum of positive squares in 2 ways, for example, as 473671696 + 167495364 = 21764^2 + 12942^2 .

It is a super-2 number, since 2×641167060² = 822190397658087200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16029157 + ... + 16029196.

It is an arithmetic number, because the mean of its divisors is an integer number (112204239).

Almost surely, 2^641167060 is an apocalyptic number.

It is an amenable number.

641167060 is an abundant number, since it is smaller than the sum of its proper divisors (705283808).

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

641167060 is a wasteful number, since it uses less digits than its factorization.

641167060 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32058362 (or 32058360 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 641167060 is about 25321.2768240466. The cubic root of 641167060 is about 862.2973817963.

The spelling of 641167060 in words is "six hundred forty-one million, one hundred sixty-seven thousand, sixty".