42336520165 has 16 divisors (see below), whose sum is σ = 51107230080. Its totient is φ = 33667341120.

The previous prime is 42336520147. The next prime is 42336520243. The reversal of 42336520165 is 56102563324.

It is not a de Polignac number, because 42336520165 - 2²⁹ = 41799649253 is a prime.

It is a congruent number.

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, 850392 + ... + 898798.

It is an arithmetic number, because the mean of its divisors is an integer number (3194201880).

Almost surely, 2^42336520165 is an apocalyptic number.

It is an amenable number.

42336520165 is a deficient number, since it is larger than the sum of its proper divisors (8770709915).

42336520165 is a wasteful number, since it uses less digits than its factorization.

42336520165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49452.

The product of its (nonzero) digits is 129600, while the sum is 37.

The spelling of 42336520165 in words is "forty-two billion, three hundred thirty-six million, five hundred twenty thousand, one hundred sixty-five".