1641630314 has 8 divisors (see below), whose sum is σ = 2465537508. Its totient is φ = 819784480.

The previous prime is 1641630271. The next prime is 1641630371. The reversal of 1641630314 is 4130361461.

It can be written as a sum of positive squares in 2 ways, for example, as 1641627289 + 3025 = 40517^2 + 55^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 513347 + ... + 516534.

Almost surely, 2^1641630314 is an apocalyptic number.

1641630314 is a deficient number, since it is larger than the sum of its proper divisors (823907194).

1641630314 is a wasteful number, since it uses less digits than its factorization.

1641630314 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1030680.

The product of its (nonzero) digits is 5184, while the sum is 29.

The square root of 1641630314 is about 40517.0373299924. The cubic root of 1641630314 is about 1179.6643481791.

Adding to 1641630314 its reverse (4130361461), we get a palindrome (5771991775).

The spelling of 1641630314 in words is "one billion, six hundred forty-one million, six hundred thirty thousand, three hundred fourteen".