168608644032 has 112 divisors (see below), whose sum is σ = 457803650304. Its totient is φ = 54734592000.

The previous prime is 168608644031. The next prime is 168608644037. The reversal of 168608644032 is 230446806861.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (168608644031) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4476157 + ... + 4513667.

It is an arithmetic number, because the mean of its divisors is an integer number (4087532592).

Almost surely, 2^168608644032 is an apocalyptic number.

168608644032 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 168608644032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (228901825152).

168608644032 is an abundant number, since it is smaller than the sum of its proper divisors (289195006272).

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

168608644032 is a wasteful number, since it uses less digits than its factorization.

168608644032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38138 (or 38128 counting only the distinct ones).

The product of its (nonzero) digits is 1327104, while the sum is 48.

The spelling of 168608644032 in words is "one hundred sixty-eight billion, six hundred eight million, six hundred forty-four thousand, thirty-two".