8163951456 has 96 divisors (see below), whose sum is σ = 21728232288. Its totient is φ = 2683699200.

The previous prime is 8163951437. The next prime is 8163951493. The reversal of 8163951456 is 6541593618.

It is a tau number, because it is divible by the number of its divisors (96).

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, 2913256 + ... + 2916056.

It is an arithmetic number, because the mean of its divisors is an integer number (226335753).

Almost surely, 2^8163951456 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 8163951456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10864116144).

8163951456 is an abundant number, since it is smaller than the sum of its proper divisors (13564280832).

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

8163951456 is a wasteful number, since it uses less digits than its factorization.

8163951456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3224 (or 3216 counting only the distinct ones).

The product of its digits is 777600, while the sum is 48.

The square root of 8163951456 is about 90354.5873544891. The cubic root of 8163951456 is about 2013.5703360701.

The spelling of 8163951456 in words is "eight billion, one hundred sixty-three million, nine hundred fifty-one thousand, four hundred fifty-six".