42132166256 has 10 divisors (see below), whose sum is σ = 81631072152. Its totient is φ = 21066083120.

The previous prime is 42132166207. The next prime is 42132166283. The reversal of 42132166256 is 65266123124.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 1316630180 + ... + 1316630211.

Almost surely, 2^42132166256 is an apocalyptic number.

It is an amenable number.

42132166256 is a deficient number, since it is larger than the sum of its proper divisors (39498905896).

42132166256 is a wasteful number, since it uses less digits than its factorization.

42132166256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2633260399 (or 2633260393 counting only the distinct ones).

The product of its digits is 103680, while the sum is 38.

The spelling of 42132166256 in words is "forty-two billion, one hundred thirty-two million, one hundred sixty-six thousand, two hundred fifty-six".