163294656 has 168 divisors, whose sum is σ = 532674576. Its totient is φ = 43868160.

The previous prime is 163294631. The next prime is 163294661. The reversal of 163294656 is 656492361.

It is a tau number, because it is divible by the number of its divisors (168).

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 159426 + ... + 160446.

It is an arithmetic number, because the mean of its divisors is an integer number (3170682).

Almost surely, 2^163294656 is an apocalyptic number.

163294656 is a gapful number since it is divisible by the number (16) 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 163294656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (266337288).

163294656 is an abundant number, since it is smaller than the sum of its proper divisors (369379920).

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

163294656 is a wasteful number, since it uses less digits than its factorization.

163294656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1067 (or 1050 counting only the distinct ones).

The product of its digits is 233280, while the sum is 42.

The square root of 163294656 is about 12778.6797440111. The cubic root of 163294656 is about 546.5845153834.

The spelling of 163294656 in words is "one hundred sixty-three million, two hundred ninety-four thousand, six hundred fifty-six".