165260426 has 16 divisors (see below), whose sum is σ = 255289320. Its totient is φ = 80176320.

The previous prime is 165260399. The next prime is 165260429. The reversal of 165260426 is 624062561.

165260426 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 150430225 + 14830201 = 12265^2 + 3851^2 .

It is a super-2 number, since 2×165260426² = 54622016803402952, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 165260392 and 165260401.

It is not an unprimeable number, because it can be changed into a prime (165260429) 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, 25916 + ... + 31656.

Almost surely, 2^165260426 is an apocalyptic number.

165260426 is a deficient number, since it is larger than the sum of its proper divisors (90028894).

165260426 is a wasteful number, since it uses less digits than its factorization.

165260426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6169.

The product of its (nonzero) digits is 17280, while the sum is 32.

The square root of 165260426 is about 12855.3656501867. The cubic root of 165260426 is about 548.7690664345.

The spelling of 165260426 in words is "one hundred sixty-five million, two hundred sixty thousand, four hundred twenty-six".