168849408 has 208 divisors, whose sum is σ = 557774336. Its totient is φ = 44236800.

The previous prime is 168849377. The next prime is 168849449. The reversal of 168849408 is 804948861.

It is a tau number, because it is divible by the number of its divisors (208).

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1118133 + ... + 1118283.

Almost surely, 2^168849408 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 168849408, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (278887168).

168849408 is an abundant number, since it is smaller than the sum of its proper divisors (388924928).

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

168849408 is a wasteful number, since it uses less digits than its factorization.

168849408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198 (or 176 counting only the distinct ones).

The product of its (nonzero) digits is 442368, while the sum is 48.

The square root of 168849408 is about 12994.2067091454. The cubic root of 168849408 is about 552.7132137782.

The spelling of 168849408 in words is "one hundred sixty-eight million, eight hundred forty-nine thousand, four hundred eight".