2146663542 has 16 divisors (see below), whose sum is σ = 4545875952. Its totient is φ = 673463040.

The previous prime is 2146663517. The next prime is 2146663553. The reversal of 2146663542 is 2453666412.

It is a self number, because there is not a number n which added to its sum of digits gives 2146663542.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10522759 + ... + 10522962.

It is an arithmetic number, because the mean of its divisors is an integer number (284117247).

Almost surely, 2^2146663542 is an apocalyptic number.

2146663542 is an abundant number, since it is smaller than the sum of its proper divisors (2399212410).

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

2146663542 is a wasteful number, since it uses less digits than its factorization.

2146663542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21045743.

The product of its digits is 207360, while the sum is 39.

The square root of 2146663542 is about 46332.1005567414. The cubic root of 2146663542 is about 1289.9949005267.

The spelling of 2146663542 in words is "two billion, one hundred forty-six million, six hundred sixty-three thousand, five hundred forty-two".