42166564034 has 32 divisors (see below), whose sum is σ = 74607989760. Its totient is φ = 17499916368.

The previous prime is 42166564001. The next prime is 42166564073. The reversal of 42166564034 is 43046566124.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 42166563982 and 42166564000.

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, 325622 + ... + 436305.

It is an arithmetic number, because the mean of its divisors is an integer number (2331499680).

Almost surely, 2^42166564034 is an apocalyptic number.

42166564034 is a deficient number, since it is larger than the sum of its proper divisors (32441425726).

42166564034 is a wasteful number, since it uses less digits than its factorization.

42166564034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 762062.

The product of its (nonzero) digits is 414720, while the sum is 41.

The spelling of 42166564034 in words is "forty-two billion, one hundred sixty-six million, five hundred sixty-four thousand, thirty-four".