162121596 has 144 divisors (see below), whose sum is σ = 480485376. Its totient is φ = 42166656.

The previous prime is 162121579. The next prime is 162121637. The reversal of 162121596 is 695121261.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 970705 + ... + 970871.

It is an arithmetic number, because the mean of its divisors is an integer number (3336704).

Almost surely, 2^162121596 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 162121596, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (240242688).

162121596 is an abundant number, since it is smaller than the sum of its proper divisors (318363780).

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

162121596 is a wasteful number, since it uses less digits than its factorization.

162121596 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 328 (or 319 counting only the distinct ones).

The product of its digits is 6480, while the sum is 33.

The square root of 162121596 is about 12732.6979073565. The cubic root of 162121596 is about 545.2725354647.

The spelling of 162121596 in words is "one hundred sixty-two million, one hundred twenty-one thousand, five hundred ninety-six".