42166531530 has 64 divisors (see below), whose sum is σ = 112465584000. Its totient is φ = 11242258560.

The previous prime is 42166531523. The next prime is 42166531591. The reversal of 42166531530 is 3513566124.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1813921 + ... + 1837019.

It is an arithmetic number, because the mean of its divisors is an integer number (1757274750).

Almost surely, 2^42166531530 is an apocalyptic number.

42166531530 is an abundant number, since it is smaller than the sum of its proper divisors (70299052470).

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

42166531530 is a wasteful number, since it uses less digits than its factorization.

42166531530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29876 (or 29870 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 36.

The spelling of 42166531530 in words is "forty-two billion, one hundred sixty-six million, five hundred thirty-one thousand, five hundred thirty".