162989352 has 24 divisors (see below), whose sum is σ = 441429690. Its totient is φ = 54329760.

The previous prime is 162989347. The next prime is 162989357. The reversal of 162989352 is 253989261.

162989352 is a `hidden beast` number, since 1 + 6 + 298 + 9 + 352 = 666.

It is an interprime number because it is at equal distance from previous prime (162989347) and next prime (162989357).

It can be written as a sum of positive squares in only one way, i.e., 145298916 + 17690436 = 12054^2 + 4206^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is a junction number, because it is equal to n+sod(n) for n = 162989298 and 162989307.

It is not an unprimeable number, because it can be changed into a prime (162989357) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1131799 + ... + 1131942.

Almost surely, 2^162989352 is an apocalyptic number.

162989352 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

162989352 is an abundant number, since it is smaller than the sum of its proper divisors (278440338).

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

162989352 is a wasteful number, since it uses less digits than its factorization.

162989352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2263753 (or 2263746 counting only the distinct ones).

The product of its digits is 233280, while the sum is 45.

The square root of 162989352 is about 12766.7283201296. The cubic root of 162989352 is about 546.2436621264.

Subtracting 162989352 from its reverse (253989261), we obtain a palindrome (90999909).

The spelling of 162989352 in words is "one hundred sixty-two million, nine hundred eighty-nine thousand, three hundred fifty-two".