42602450165 has 24 divisors (see below), whose sum is σ = 57499832544. Its totient is φ = 30263032800.

The previous prime is 42602450153. The next prime is 42602450213. The reversal of 42602450165 is 56105420624.

It is not a de Polignac number, because 42602450165 - 2¹⁸ = 42602188021 is a prime.

It is a super-2 number, since 2×42602450165² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 792791 + ... + 844820.

It is an arithmetic number, because the mean of its divisors is an integer number (2395826356).

Almost surely, 2^42602450165 is an apocalyptic number.

It is an amenable number.

42602450165 is a deficient number, since it is larger than the sum of its proper divisors (14897382379).

42602450165 is a wasteful number, since it uses less digits than its factorization.

42602450165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1637681 (or 1637670 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 35.

Adding to 42602450165 its reverse (56105420624), we get a palindrome (98707870789).

The spelling of 42602450165 in words is "forty-two billion, six hundred two million, four hundred fifty thousand, one hundred sixty-five".