2142066190 has 16 divisors (see below), whose sum is σ = 4206239280. Its totient is φ = 778933120.

The previous prime is 2142066187. The next prime is 2142066191. The reversal of 2142066190 is 916602412.

It is a super-2 number, since 2×2142066190² = 9176895124682232200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2142066191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9736555 + ... + 9736774.

It is an arithmetic number, because the mean of its divisors is an integer number (262889955).

Almost surely, 2^2142066190 is an apocalyptic number.

2142066190 is a deficient number, since it is larger than the sum of its proper divisors (2064173090).

2142066190 is a wasteful number, since it uses less digits than its factorization.

2142066190 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19473347.

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 2142066190 is about 46282.4609328415. The cubic root of 2142066190 is about 1289.0733464892.

The spelling of 2142066190 in words is "two billion, one hundred forty-two million, sixty-six thousand, one hundred ninety".