42166564202 has 16 divisors (see below), whose sum is σ = 73156450752. Its totient is φ = 17853656640.

The previous prime is 42166564199. The next prime is 42166564229. The reversal of 42166564202 is 20246566124.

42166564202 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18142799 + ... + 18145122.

It is an arithmetic number, because the mean of its divisors is an integer number (4572278172).

Almost surely, 2^42166564202 is an apocalyptic number.

42166564202 is a deficient number, since it is larger than the sum of its proper divisors (30989886550).

42166564202 is a wasteful number, since it uses less digits than its factorization.

42166564202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36288013.

The product of its (nonzero) digits is 138240, while the sum is 38.

The spelling of 42166564202 in words is "forty-two billion, one hundred sixty-six million, five hundred sixty-four thousand, two hundred two".