641092146 has 8 divisors (see below), whose sum is σ = 1282184304. Its totient is φ = 213697380.

The previous prime is 641092139. The next prime is 641092159. The reversal of 641092146 is 641290146.

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

641092146 is an admirable number.

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, 53424340 + ... + 53424351.

It is an arithmetic number, because the mean of its divisors is an integer number (160273038).

Almost surely, 2^641092146 is an apocalyptic number.

641092146 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.

641092146 is a wasteful number, since it uses less digits than its factorization.

641092146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106848696.

The product of its (nonzero) digits is 10368, while the sum is 33.

The square root of 641092146 is about 25319.7975110387. The cubic root of 641092146 is about 862.2637968613.

The spelling of 641092146 in words is "six hundred forty-one million, ninety-two thousand, one hundred forty-six".