1641068802 has 16 divisors (see below), whose sum is σ = 3646819680. Its totient is φ = 547022916.

The previous prime is 1641068801. The next prime is 1641068843. The reversal of 1641068802 is 2088601461.

1641068802 is a `hidden beast` number, since 1 + 641 + 0 + 6 + 8 + 8 + 0 + 2 = 666.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (1641068801) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15195028 + ... + 15195135.

It is an arithmetic number, because the mean of its divisors is an integer number (227926230).

Almost surely, 2^1641068802 is an apocalyptic number.

1641068802 is an abundant number, since it is smaller than the sum of its proper divisors (2005750878).

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

1641068802 is a wasteful number, since it uses less digits than its factorization.

1641068802 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30390174 (or 30390168 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 36.

The square root of 1641068802 is about 40510.1074054365. The cubic root of 1641068802 is about 1179.5298332766.

The spelling of 1641068802 in words is "one billion, six hundred forty-one million, sixty-eight thousand, eight hundred two".