8160863004 has 36 divisors (see below), whose sum is σ = 23575827184. Its totient is φ = 2331675072.

The previous prime is 8160863003. The next prime is 8160863017. The reversal of 8160863004 is 4003680618.

It is a happy number.

8160863004 is a `hidden beast` number, since 8 + 16 + 0 + 8 + 630 + 0 + 4 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 8160863004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8160863003) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16191937 + ... + 16192440.

Almost surely, 2^8160863004 is an apocalyptic number.

8160863004 is a gapful number since it is divisible by the number (84) formed by its first and last digit.

It is an amenable number.

8160863004 is an abundant number, since it is smaller than the sum of its proper divisors (15414964180).

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

8160863004 is a wasteful number, since it uses less digits than its factorization.

8160863004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32384394 (or 32384389 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 36.

The square root of 8160863004 is about 90337.4950062265. The cubic root of 8160863004 is about 2013.3163904275.

The spelling of 8160863004 in words is "eight billion, one hundred sixty million, eight hundred sixty-three thousand, four".