162142562421 has 96 divisors (see below), whose sum is σ = 283456143360. Its totient is φ = 87311233152.

The previous prime is 162142562411. The next prime is 162142562453. The reversal of 162142562421 is 124265241261.

162142562421 is a `hidden beast` number, since 1 + 6 + 2 + 1 + 4 + 2 + 5 + 624 + 21 = 666.

It is not a de Polignac number, because 162142562421 - 2⁹ = 162142561909 is a prime.

It is a super-3 number, since 3×162142562421³ (a number of 35 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (162142562401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 63759076 + ... + 63761618.

It is an arithmetic number, because the mean of its divisors is an integer number (2952668160).

Almost surely, 2^162142562421 is an apocalyptic number.

It is an amenable number.

162142562421 is a deficient number, since it is larger than the sum of its proper divisors (121313580939).

162142562421 is a wasteful number, since it uses less digits than its factorization.

162142562421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3215 (or 3212 counting only the distinct ones).

The product of its digits is 46080, while the sum is 36.

The spelling of 162142562421 in words is "one hundred sixty-two billion, one hundred forty-two million, five hundred sixty-two thousand, four hundred twenty-one".