2158466192 has 10 divisors (see below), whose sum is σ = 4182028278. Its totient is φ = 1079233088.

The previous prime is 2158466113. The next prime is 2158466239. The reversal of 2158466192 is 2916648512.

It can be written as a sum of positive squares in only one way, i.e., 2151475456 + 6990736 = 46384^2 + 2644^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67452053 + ... + 67452084.

Almost surely, 2^2158466192 is an apocalyptic number.

It is an amenable number.

2158466192 is a deficient number, since it is larger than the sum of its proper divisors (2023562086).

2158466192 is a wasteful number, since it uses less digits than its factorization.

2158466192 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134904145 (or 134904139 counting only the distinct ones).

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

The square root of 2158466192 is about 46459.2960773191. The cubic root of 2158466192 is about 1292.3547703487.

The spelling of 2158466192 in words is "two billion, one hundred fifty-eight million, four hundred sixty-six thousand, one hundred ninety-two".