28161167076 has 192 divisors, whose sum is σ = 85786767360. Its totient is φ = 7822967040.

The previous prime is 28161167017. The next prime is 28161167107. The reversal of 28161167076 is 67076116182.

28161167076 is a `hidden beast` number, since 28 + 1 + 611 + 6 + 7 + 0 + 7 + 6 = 666.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3914755 + ... + 3921941.

It is an arithmetic number, because the mean of its divisors is an integer number (446806080).

Almost surely, 2^28161167076 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 28161167076, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42893383680).

28161167076 is an abundant number, since it is smaller than the sum of its proper divisors (57625600284).

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

28161167076 is a wasteful number, since it uses less digits than its factorization.

28161167076 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7351 (or 7343 counting only the distinct ones).

The product of its (nonzero) digits is 169344, while the sum is 45.

The spelling of 28161167076 in words is "twenty-eight billion, one hundred sixty-one million, one hundred sixty-seven thousand, seventy-six".