1641714320 has 20 divisors (see below), whose sum is σ = 3816985980. Its totient is φ = 656685696.

The previous prime is 1641714317. The next prime is 1641714341. The reversal of 1641714320 is 234171461.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1306677904 + 335036416 = 36148^2 + 18304^2 .

It is a tau number, because it is divible by the number of its divisors (20).

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, 10260635 + ... + 10260794.

It is an arithmetic number, because the mean of its divisors is an integer number (190849299).

Almost surely, 2^1641714320 is an apocalyptic number.

1641714320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1641714320 is an abundant number, since it is smaller than the sum of its proper divisors (2175271660).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1641714320 is a wasteful number, since it uses less digits than its factorization.

1641714320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20521442 (or 20521436 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 29.

The square root of 1641714320 is about 40518.0739917386. The cubic root of 1641714320 is about 1179.6844698821.

Adding to 1641714320 its reverse (234171461), we get a palindrome (1875885781).

The spelling of 1641714320 in words is "one billion, six hundred forty-one million, seven hundred fourteen thousand, three hundred twenty".