163311077358 has 192 divisors, whose sum is σ = 428566844160. Its totient is φ = 44288985600.

The previous prime is 163311077341. The next prime is 163311077387. The reversal of 163311077358 is 853770113361.

163311077358 is a `hidden beast` number, since 1 + 633 + 1 + 1 + 0 + 7 + 7 + 3 + 5 + 8 = 666.

It is a super-3 number, since 3×163311077358³ (a number of 35 digits) contains 333 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 11078853 + ... + 11093583.

It is an arithmetic number, because the mean of its divisors is an integer number (2232118980).

Almost surely, 2^163311077358 is an apocalyptic number.

163311077358 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 163311077358, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (214283422080).

163311077358 is an abundant number, since it is smaller than the sum of its proper divisors (265255766802).

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

163311077358 is a wasteful number, since it uses less digits than its factorization.

163311077358 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14895 (or 14892 counting only the distinct ones).

The product of its (nonzero) digits is 317520, while the sum is 45.

The spelling of 163311077358 in words is "one hundred sixty-three billion, three hundred eleven million, seventy-seven thousand, three hundred fifty-eight".