162121416 has 32 divisors (see below), whose sum is σ = 408270240. Its totient is φ = 53644928.

The previous prime is 162121409. The next prime is 162121447. The reversal of 162121416 is 614121261.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a nude number because it is divisible by every one of its digits.

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, 21366 + ... + 27941.

It is an arithmetic number, because the mean of its divisors is an integer number (12758445).

Almost surely, 2^162121416 is an apocalyptic number.

It is an amenable number.

162121416 is an abundant number, since it is smaller than the sum of its proper divisors (246148824).

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

162121416 is a wasteful number, since it uses less digits than its factorization.

162121416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49453 (or 49449 counting only the distinct ones).

The product of its digits is 576, while the sum is 24.

The square root of 162121416 is about 12732.6908389390. The cubic root of 162121416 is about 545.2723336633.

Adding to 162121416 its reverse (614121261), we get a palindrome (776242677).

The spelling of 162121416 in words is "one hundred sixty-two million, one hundred twenty-one thousand, four hundred sixteen".