2168890352 has 10 divisors (see below), whose sum is σ = 4202225088. Its totient is φ = 1084445168.

The previous prime is 2168890349. The next prime is 2168890369. The reversal of 2168890352 is 2530988612.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 67777808 + ... + 67777839.

Almost surely, 2^2168890352 is an apocalyptic number.

It is an amenable number.

2168890352 is a deficient number, since it is larger than the sum of its proper divisors (2033334736).

2168890352 is a wasteful number, since it uses less digits than its factorization.

2168890352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135555655 (or 135555649 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 44.

The square root of 2168890352 is about 46571.3468991396. The cubic root of 2168890352 is about 1294.4318755415.

The spelling of 2168890352 in words is "two billion, one hundred sixty-eight million, eight hundred ninety thousand, three hundred fifty-two".