162121339 has 8 divisors (see below), whose sum is σ = 171803520. Its totient is φ = 152712000.

The previous prime is 162121331. The next prime is 162121369. The reversal of 162121339 is 933121261.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 162121339 - 2³ = 162121331 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (162121331) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66987 + ... + 69364.

It is an arithmetic number, because the mean of its divisors is an integer number (21475440).

Almost surely, 2^162121339 is an apocalyptic number.

162121339 is a deficient number, since it is larger than the sum of its proper divisors (9682181).

162121339 is a wasteful number, since it uses less digits than its factorization.

162121339 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136421.

The product of its digits is 1944, while the sum is 28.

The square root of 162121339 is about 12732.6878152258. The cubic root of 162121339 is about 545.2722473371.

The spelling of 162121339 in words is "one hundred sixty-two million, one hundred twenty-one thousand, three hundred thirty-nine".