162421536 has 48 divisors (see below), whose sum is σ = 451440864. Its totient is φ = 50955264.

The previous prime is 162421507. The next prime is 162421549. The reversal of 162421536 is 635124261.

It is a tau number, because it is divible by the number of its divisors (48).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48130 + ... + 51393.

It is an arithmetic number, because the mean of its divisors is an integer number (9405018).

Almost surely, 2^162421536 is an apocalyptic number.

162421536 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

162421536 is an abundant number, since it is smaller than the sum of its proper divisors (289019328).

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

162421536 is a wasteful number, since it uses less digits than its factorization.

162421536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99553 (or 99545 counting only the distinct ones).

The product of its digits is 8640, while the sum is 30.

The square root of 162421536 is about 12744.4708010965. The cubic root of 162421536 is about 545.6085965685.

Adding to 162421536 its reverse (635124261), we get a palindrome (797545797).

The spelling of 162421536 in words is "one hundred sixty-two million, four hundred twenty-one thousand, five hundred thirty-six".