1641130250 has 16 divisors (see below), whose sum is σ = 3072196296. Its totient is φ = 656452000.

The previous prime is 1641130243. The next prime is 1641130277. The reversal of 1641130250 is 520311461.

It can be written as a sum of positive squares in 4 ways, for example, as 881080489 + 760049761 = 29683^2 + 27569^2 .

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 7 ways as a sum of consecutive naturals, for example, 3282011 + ... + 3282510.

Almost surely, 2^1641130250 is an apocalyptic number.

1641130250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1641130250 is a deficient number, since it is larger than the sum of its proper divisors (1431066046).

1641130250 is an equidigital number, since it uses as much as digits as its factorization.

1641130250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6564538 (or 6564528 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 1641130250 is about 40510.8658263434. The cubic root of 1641130250 is about 1179.5445551547.

The spelling of 1641130250 in words is "one billion, six hundred forty-one million, one hundred thirty thousand, two hundred fifty".