28016618070 has 128 divisors (see below), whose sum is σ = 77325290496. Its totient is φ = 6363979776.

The previous prime is 28016618053. The next prime is 28016618083. The reversal of 28016618070 is 7081661082.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 33876997 + ... + 33877823.

It is an arithmetic number, because the mean of its divisors is an integer number (604103832).

Almost surely, 2^28016618070 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 28016618070, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38662645248).

28016618070 is an abundant number, since it is smaller than the sum of its proper divisors (49308672426).

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

28016618070 is a wasteful number, since it uses less digits than its factorization.

28016618070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1654.

The product of its (nonzero) digits is 32256, while the sum is 39.

The spelling of 28016618070 in words is "twenty-eight billion, sixteen million, six hundred eighteen thousand, seventy".