42166526524 has 48 divisors (see below), whose sum is σ = 78612256800. Its totient is φ = 19752235776.

The previous prime is 42166526483. The next prime is 42166526527. The reversal of 42166526524 is 42562566124.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42166526527) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1587747 + ... + 1614085.

It is an arithmetic number, because the mean of its divisors is an integer number (1637755350).

Almost surely, 2^42166526524 is an apocalyptic number.

It is an amenable number.

42166526524 is a deficient number, since it is larger than the sum of its proper divisors (36445730276).

42166526524 is a wasteful number, since it uses less digits than its factorization.

42166526524 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26782 (or 26780 counting only the distinct ones).

The product of its digits is 691200, while the sum is 43.

The spelling of 42166526524 in words is "forty-two billion, one hundred sixty-six million, five hundred twenty-six thousand, five hundred twenty-four".