1640853102 has 24 divisors (see below), whose sum is σ = 3817495656. Its totient is φ = 468815088.

The previous prime is 1640853043. The next prime is 1640853119. The reversal of 1640853102 is 2013580461.

It is a self number, because there is not a number n which added to its sum of digits gives 1640853102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2790273 + ... + 2790860.

It is an arithmetic number, because the mean of its divisors is an integer number (159062319).

Almost surely, 2^1640853102 is an apocalyptic number.

1640853102 is an abundant number, since it is smaller than the sum of its proper divisors (2176642554).

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

1640853102 is a wasteful number, since it uses less digits than its factorization.

1640853102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5581152 (or 5581145 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 30.

The square root of 1640853102 is about 40507.4450194035. The cubic root of 1640853102 is about 1179.4781523776.

The spelling of 1640853102 in words is "one billion, six hundred forty million, eight hundred fifty-three thousand, one hundred two".