641165610054 has 8 divisors (see below), whose sum is σ = 1282331220120. Its totient is φ = 213721870016.

The previous prime is 641165610049. The next prime is 641165610067. The reversal of 641165610054 is 450016561146.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

641165610054 is an admirable number.

It is a super-2 number, since 2×641165610054² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 641165609994 and 641165610021.

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, 53430467499 + ... + 53430467510.

It is an arithmetic number, because the mean of its divisors is an integer number (160291402515).

Almost surely, 2^641165610054 is an apocalyptic number.

641165610054 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

641165610054 is a wasteful number, since it uses less digits than its factorization.

641165610054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106860935014.

The product of its (nonzero) digits is 86400, while the sum is 39.

The spelling of 641165610054 in words is "six hundred forty-one billion, one hundred sixty-five million, six hundred ten thousand, fifty-four".