162530428 has 12 divisors (see below), whose sum is σ = 285705280. Its totient is φ = 80900352.

The previous prime is 162530419. The next prime is 162530449. The reversal of 162530428 is 824035261.

It is a super-2 number, since 2×162530428² = 52832280051726368, which contains 22 as substring.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 162530428.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 90213 + ... + 91996.

Almost surely, 2^162530428 is an apocalyptic number.

It is an amenable number.

162530428 is a deficient number, since it is larger than the sum of its proper divisors (123174852).

162530428 is a wasteful number, since it uses less digits than its factorization.

162530428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182436 (or 182434 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 31.

The square root of 162530428 is about 12748.7422124694. The cubic root of 162530428 is about 545.7304998178.

Adding to 162530428 its reverse (824035261), we get a palindrome (986565689).

The spelling of 162530428 in words is "one hundred sixty-two million, five hundred thirty thousand, four hundred twenty-eight".