1640116050 has 48 divisors (see below), whose sum is σ = 4097228832. Its totient is φ = 434166400.

The previous prime is 1640116031. The next prime is 1640116067. The reversal of 1640116050 is 506110461.

1640116050 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 1640116050.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 19356 + ... + 60455.

It is an arithmetic number, because the mean of its divisors is an integer number (85358934).

Almost surely, 2^1640116050 is an apocalyptic number.

1640116050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1640116050 is an abundant number, since it is smaller than the sum of its proper divisors (2457112782).

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

1640116050 is a wasteful number, since it uses less digits than its factorization.

1640116050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79963 (or 79958 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 24.

The square root of 1640116050 is about 40498.3462625327. The cubic root of 1640116050 is about 1179.3015233367.

The spelling of 1640116050 in words is "one billion, six hundred forty million, one hundred sixteen thousand, fifty".