162421061 has 4 divisors (see below), whose sum is σ = 177186624. Its totient is φ = 147655500.

The previous prime is 162421031. The next prime is 162421069. The reversal of 162421061 is 160124261.

162421061 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 162421061 - 2¹⁴ = 162404677 is a prime.

It is a super-4 number, since 4×162421061⁴ (a number of 34 digits) contains 4444 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (162421069) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7382765 + ... + 7382786.

It is an arithmetic number, because the mean of its divisors is an integer number (44296656).

Almost surely, 2^162421061 is an apocalyptic number.

162421061 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

162421061 is a deficient number, since it is larger than the sum of its proper divisors (14765563).

162421061 is a wasteful number, since it uses less digits than its factorization.

162421061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14765562.

The product of its (nonzero) digits is 576, while the sum is 23.

The square root of 162421061 is about 12744.4521655503. The cubic root of 162421061 is about 545.6080646925.

The spelling of 162421061 in words is "one hundred sixty-two million, four hundred twenty-one thousand, sixty-one".