1608858033408 has 108 divisors (see below), whose sum is σ = 4641697508448. Its totient is φ = 535943439360.

The previous prime is 1608858033397. The next prime is 1608858033427. The reversal of 1608858033408 is 8043308588061.

1608858033408 is a `hidden beast` number, since 16 + 0 + 8 + 8 + 580 + 3 + 3 + 40 + 8 = 666.

It is a super-2 number, since 2×1608858033408² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3397341 + ... + 3841827.

Almost surely, 2^{1608858033408} is an apocalyptic number.

1608858033408 is a gapful number since it is divisible by the number (18) 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 1608858033408, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2320848754224).

1608858033408 is an abundant number, since it is smaller than the sum of its proper divisors (3032839475040).

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

1608858033408 is a wasteful number, since it uses less digits than its factorization.

1608858033408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 446080 (or 446063 counting only the distinct ones).

The product of its (nonzero) digits is 4423680, while the sum is 54.

The spelling of 1608858033408 in words is "one trillion, six hundred eight billion, eight hundred fifty-eight million, thirty-three thousand, four hundred eight".