641262162 has 8 divisors (see below), whose sum is σ = 1282524336. Its totient is φ = 213754052.

The previous prime is 641262137. The next prime is 641262229. The reversal of 641262162 is 261262146.

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

641262162 is an admirable number.

It is a super-2 number, since 2×641262162² = 822434320825828488, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53438508 + ... + 53438519.

It is an arithmetic number, because the mean of its divisors is an integer number (160315542).

Almost surely, 2^641262162 is an apocalyptic number.

641262162 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.

641262162 is a wasteful number, since it uses less digits than its factorization.

641262162 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106877032.

The product of its digits is 6912, while the sum is 30.

The square root of 641262162 is about 25323.1546612976. The cubic root of 641262162 is about 862.3400135099.

The spelling of 641262162 in words is "six hundred forty-one million, two hundred sixty-two thousand, one hundred sixty-two".