168620396 has 48 divisors (see below), whose sum is σ = 353826816. Its totient is φ = 68796864.

The previous prime is 168620381. The next prime is 168620411. The reversal of 168620396 is 693026861.

It is an interprime number because it is at equal distance from previous prime (168620381) and next prime (168620411).

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 15 ways as a sum of consecutive naturals, for example, 46961 + ... + 50423.

It is an arithmetic number, because the mean of its divisors is an integer number (7371392).

Almost surely, 2^168620396 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 168620396, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (176913408).

168620396 is an abundant number, since it is smaller than the sum of its proper divisors (185206420).

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

168620396 is a wasteful number, since it uses less digits than its factorization.

168620396 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3558 (or 3556 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 41.

The square root of 168620396 is about 12985.3916382988. The cubic root of 168620396 is about 552.4632173871.

The spelling of 168620396 in words is "one hundred sixty-eight million, six hundred twenty thousand, three hundred ninety-six".