162889422930 has 160 divisors (see below), whose sum is σ = 475130368944. Its totient is φ = 39802834944.

The previous prime is 162889422923. The next prime is 162889423033. The reversal of 162889422930 is 39224988261.

162889422930 is a `hidden beast` number, since 1 + 628 + 8 + 9 + 4 + 2 + 2 + 9 + 3 + 0 = 666.

It can be written as a sum of positive squares in 8 ways, for example, as 73538050041 + 89351372889 = 271179^2 + 298917^2 .

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 1386154 + ... + 1499066.

Almost surely, 2^162889422930 is an apocalyptic number.

162889422930 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 162889422930, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (237565184472).

162889422930 is an abundant number, since it is smaller than the sum of its proper divisors (312240946014).

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

162889422930 is a wasteful number, since it uses less digits than its factorization.

162889422930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113082 (or 113073 counting only the distinct ones).

The product of its (nonzero) digits is 2985984, while the sum is 54.

The spelling of 162889422930 in words is "one hundred sixty-two billion, eight hundred eighty-nine million, four hundred twenty-two thousand, nine hundred thirty".