2164406142 has 8 divisors (see below), whose sum is σ = 4328812296. Its totient is φ = 721468712.

The previous prime is 2164406089. The next prime is 2164406149. The reversal of 2164406142 is 2416044612.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

2164406142 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2164406149) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 180367173 + ... + 180367184.

It is an arithmetic number, because the mean of its divisors is an integer number (541101537).

Almost surely, 2^2164406142 is an apocalyptic number.

2164406142 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2164406142 is a wasteful number, since it uses less digits than its factorization.

2164406142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 360734362.

The product of its (nonzero) digits is 9216, while the sum is 30.

The square root of 2164406142 is about 46523.1785457529. The cubic root of 2164406142 is about 1293.5391749256.

The spelling of 2164406142 in words is "two billion, one hundred sixty-four million, four hundred six thousand, one hundred forty-two".