1641320234 has 32 divisors (see below), whose sum is σ = 2607137280. Its totient is φ = 773740800.

The previous prime is 1641320231. The next prime is 1641320251. The reversal of 1641320234 is 4320231461.

It is a super-2 number, since 2×1641320234² = 5387864221075629512, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1641320231) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2028422 + ... + 2029230.

It is an arithmetic number, because the mean of its divisors is an integer number (81473040).

Almost surely, 2^1641320234 is an apocalyptic number.

1641320234 is a deficient number, since it is larger than the sum of its proper divisors (965817046).

1641320234 is a wasteful number, since it uses less digits than its factorization.

1641320234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1646.

The product of its (nonzero) digits is 3456, while the sum is 26.

The square root of 1641320234 is about 40513.2106108612. The cubic root of 1641320234 is about 1179.5900697111.

Adding to 1641320234 its reverse (4320231461), we get a palindrome (5961551695).

The spelling of 1641320234 in words is "one billion, six hundred forty-one million, three hundred twenty thousand, two hundred thirty-four".