1640411203 has 8 divisors (see below), whose sum is σ = 1652045472. Its totient is φ = 1628792256.

The previous prime is 1640411191. The next prime is 1640411233. The reversal of 1640411203 is 3021140461.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1640411203 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1640411233) by changing a digit.

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, 287151 + ... + 292807.

It is an arithmetic number, because the mean of its divisors is an integer number (206505684).

Almost surely, 2^1640411203 is an apocalyptic number.

1640411203 is a deficient number, since it is larger than the sum of its proper divisors (11634269).

1640411203 is a wasteful number, since it uses less digits than its factorization.

1640411203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7661.

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 1640411203 is about 40501.9901115982. The cubic root of 1640411203 is about 1179.3722609135.

Adding to 1640411203 its reverse (3021140461), we get a palindrome (4661551664).

The spelling of 1640411203 in words is "one billion, six hundred forty million, four hundred eleven thousand, two hundred three".