42166564036 has 48 divisors (see below), whose sum is σ = 78940128960. Its totient is φ = 19650401280.

The previous prime is 42166564001. The next prime is 42166564073. The reversal of 42166564036 is 63046566124.

It is a junction number, because it is equal to n+sod(n) for n = 42166563983 and 42166564001.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1506360 + ... + 1534096.

It is an arithmetic number, because the mean of its divisors is an integer number (1644586020).

Almost surely, 2^42166564036 is an apocalyptic number.

It is an amenable number.

42166564036 is a deficient number, since it is larger than the sum of its proper divisors (36773564924).

42166564036 is a wasteful number, since it uses less digits than its factorization.

42166564036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28084 (or 28082 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 43.

The spelling of 42166564036 in words is "forty-two billion, one hundred sixty-six million, five hundred sixty-four thousand, thirty-six".