42255060165 has 24 divisors (see below), whose sum is σ = 77096953440. Its totient is φ = 21349924704.

The previous prime is 42255060163. The next prime is 42255060191. The reversal of 42255060165 is 56106055224.

42255060165 is a `hidden beast` number, since 42 + 2 + 5 + 5 + 0 + 601 + 6 + 5 = 666.

It is not a de Polignac number, because 42255060165 - 2¹ = 42255060163 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42255060163) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 24709707 + ... + 24711416.

It is an arithmetic number, because the mean of its divisors is an integer number (3212373060).

Almost surely, 2^42255060165 is an apocalyptic number.

42255060165 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

42255060165 is a deficient number, since it is larger than the sum of its proper divisors (34841893275).

42255060165 is a wasteful number, since it uses less digits than its factorization.

42255060165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49421153 (or 49421150 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 36.

The spelling of 42255060165 in words is "forty-two billion, two hundred fifty-five million, sixty thousand, one hundred sixty-five".