2124990168 has 64 divisors (see below), whose sum is σ = 6212616960. Its totient is φ = 593018496.

The previous prime is 2124990143. The next prime is 2124990193. The reversal of 2124990168 is 8610994212.

It is an interprime number because it is at equal distance from previous prime (2124990143) and next prime (2124990193).

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 139855 + ... + 154302.

It is an arithmetic number, because the mean of its divisors is an integer number (97072140).

Almost surely, 2^2124990168 is an apocalyptic number.

2124990168 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

2124990168 is an abundant number, since it is smaller than the sum of its proper divisors (4087626792).

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

2124990168 is a wasteful number, since it uses less digits than its factorization.

2124990168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 294216 (or 294212 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 42.

The square root of 2124990168 is about 46097.6156433280. The cubic root of 2124990168 is about 1285.6388125150.

The spelling of 2124990168 in words is "two billion, one hundred twenty-four million, nine hundred ninety thousand, one hundred sixty-eight".