42166461533 has 8 divisors (see below), whose sum is σ = 48687049152. Its totient is φ = 35770075776.

The previous prime is 42166461527. The next prime is 42166461559. The reversal of 42166461533 is 33516466124.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 42166461533 - 2¹⁸ = 42166199389 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42166461523) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31049735 + ... + 31051092.

It is an arithmetic number, because the mean of its divisors is an integer number (6085881144).

Almost surely, 2^42166461533 is an apocalyptic number.

It is an amenable number.

42166461533 is a deficient number, since it is larger than the sum of its proper divisors (6520587619).

42166461533 is an equidigital number, since it uses as much as digits as its factorization.

42166461533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62100931.

The product of its digits is 311040, while the sum is 41.

The spelling of 42166461533 in words is "forty-two billion, one hundred sixty-six million, four hundred sixty-one thousand, five hundred thirty-three".