162985599755388 has 96 divisors (see below), whose sum is σ = 426943065024000. Its totient is φ = 53764469549568.

The previous prime is 162985599755323. The next prime is 162985599755437. The reversal of 162985599755388 is 883557995589261.

162985599755388 is a `hidden beast` number, since 1 + 6 + 2 + 9 + 8 + 5 + 599 + 7 + 5 + 5 + 3 + 8 + 8 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 162985599755298 and 162985599755307.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 142816663 + ... + 143953361.

It is an arithmetic number, because the mean of its divisors is an integer number (4447323594000).

Almost surely, 2^{162985599755388} is an apocalyptic number.

162985599755388 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 162985599755388, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (213471532512000).

162985599755388 is an abundant number, since it is smaller than the sum of its proper divisors (263957465268612).

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

162985599755388 is a wasteful number, since it uses less digits than its factorization.

162985599755388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1150496 (or 1150488 counting only the distinct ones).

The product of its digits is 58786560000, while the sum is 90.

The spelling of 162985599755388 in words is "one hundred sixty-two trillion, nine hundred eighty-five billion, five hundred ninety-nine million, seven hundred fifty-five thousand, three hundred eighty-eight".