165432426 has 16 divisors (see below), whose sum is σ = 331218624. Its totient is φ = 55085184.

The previous prime is 165432409. The next prime is 165432431. The reversal of 165432426 is 624234561.

165432426 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8455 + ... + 20058.

It is an arithmetic number, because the mean of its divisors is an integer number (20701164).

Almost surely, 2^165432426 is an apocalyptic number.

165432426 is an abundant number, since it is smaller than the sum of its proper divisors (165786198).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

165432426 is a wasteful number, since it uses less digits than its factorization.

165432426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29485.

The product of its digits is 34560, while the sum is 33.

The square root of 165432426 is about 12862.0537240365. The cubic root of 165432426 is about 548.9593833276.

Adding to 165432426 its reverse (624234561), we get a palindrome (789666987).

The spelling of 165432426 in words is "one hundred sixty-five million, four hundred thirty-two thousand, four hundred twenty-six".