165031426 has 8 divisors (see below), whose sum is σ = 282911040. Its totient is φ = 70727748.

The previous prime is 165031423. The next prime is 165031457. The reversal of 165031426 is 624130561.

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

It is a junction number, because it is equal to n+sod(n) for n = 165031394 and 165031403.

It is not an unprimeable number, because it can be changed into a prime (165031421) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5893966 + ... + 5893993.

It is an arithmetic number, because the mean of its divisors is an integer number (35363880).

Almost surely, 2^165031426 is an apocalyptic number.

165031426 is a deficient number, since it is larger than the sum of its proper divisors (117879614).

165031426 is a wasteful number, since it uses less digits than its factorization.

165031426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11787968.

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 165031426 is about 12846.4557758161. The cubic root of 165031426 is about 548.5154743521.

Adding to 165031426 its reverse (624130561), we get a palindrome (789161987).

The spelling of 165031426 in words is "one hundred sixty-five million, thirty-one thousand, four hundred twenty-six".