168212952 has 96 divisors (see below), whose sum is σ = 471631680. Its totient is φ = 54120960.

The previous prime is 168212927. The next prime is 168212983. The reversal of 168212952 is 259212861.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 620577 + ... + 620847.

It is an arithmetic number, because the mean of its divisors is an integer number (4912830).

Almost surely, 2^168212952 is an apocalyptic number.

168212952 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 168212952, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (235815840).

168212952 is an abundant number, since it is smaller than the sum of its proper divisors (303418728).

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

168212952 is a wasteful number, since it uses less digits than its factorization.

168212952 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 553 (or 546 counting only the distinct ones).

The product of its digits is 17280, while the sum is 36.

The square root of 168212952 is about 12969.6935969976. The cubic root of 168212952 is about 552.0178790680.

Subtracting 168212952 from its reverse (259212861), we obtain a palindrome (90999909).

The spelling of 168212952 in words is "one hundred sixty-eight million, two hundred twelve thousand, nine hundred fifty-two".