42166799572 has 12 divisors (see below), whose sum is σ = 74141625376. Its totient is φ = 20983478040.

The previous prime is 42166799567. The next prime is 42166799581. The reversal of 42166799572 is 27599766124.

It is a super-2 number, since 2×42166799572² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 24979488 + ... + 24981175.

Almost surely, 2^42166799572 is an apocalyptic number.

It is an amenable number.

42166799572 is a deficient number, since it is larger than the sum of its proper divisors (31974825804).

42166799572 is a wasteful number, since it uses less digits than its factorization.

42166799572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49960878 (or 49960876 counting only the distinct ones).

The product of its digits is 11430720, while the sum is 58.

The spelling of 42166799572 in words is "forty-two billion, one hundred sixty-six million, seven hundred ninety-nine thousand, five hundred seventy-two".