28666132112058 has 64 divisors (see below), whose sum is σ = 66009509653248. Its totient is φ = 8129473896960.

The previous prime is 28666132112041. The next prime is 28666132112099. The reversal of 28666132112058 is 85021123166682.

It is a self number, because there is not a number n which added to its sum of digits gives 28666132112058.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 44080828 + ... + 44726408.

It is an arithmetic number, because the mean of its divisors is an integer number (1031398588332).

Almost surely, 2^{28666132112058} is an apocalyptic number.

28666132112058 is an abundant number, since it is smaller than the sum of its proper divisors (37343377541190).

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

28666132112058 is a wasteful number, since it uses less digits than its factorization.

28666132112058 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 653447.

The product of its (nonzero) digits is 1658880, while the sum is 51.

The spelling of 28666132112058 in words is "twenty-eight trillion, six hundred sixty-six billion, one hundred thirty-two million, one hundred twelve thousand, fifty-eight".