1640589096 has 16 divisors (see below), whose sum is σ = 4101472800. Its totient is φ = 546863024.

The previous prime is 1640589091. The next prime is 1640589101. The reversal of 1640589096 is 6909850461.

It is an interprime number because it is at equal distance from previous prime (1640589091) and next prime (1640589101).

It is not an unprimeable number, because it can be changed into a prime (1640589091) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34178916 + ... + 34178963.

It is an arithmetic number, because the mean of its divisors is an integer number (256342050).

Almost surely, 2^1640589096 is an apocalyptic number.

It is an amenable number.

1640589096 is an abundant number, since it is smaller than the sum of its proper divisors (2460883704).

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

1640589096 is a wasteful number, since it uses less digits than its factorization.

1640589096 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68357888 (or 68357884 counting only the distinct ones).

The product of its (nonzero) digits is 466560, while the sum is 48.

The square root of 1640589096 is about 40504.1861540261. The cubic root of 1640589096 is about 1179.4148913803.

It can be divided in two parts, 16405 and 89096, that added together give a palindrome (105501).

The spelling of 1640589096 in words is "one billion, six hundred forty million, five hundred eighty-nine thousand, ninety-six".