78558223166632 has 64 divisors (see below), whose sum is σ = 161240443560000. Its totient is φ = 35585421527040.

The previous prime is 78558223166617. The next prime is 78558223166651. The reversal of 78558223166632 is 23666132285587.

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, 97205688 + ... + 98010520.

It is an arithmetic number, because the mean of its divisors is an integer number (2519381930625).

Almost surely, 2^{78558223166632} is an apocalyptic number.

It is an amenable number.

78558223166632 is an abundant number, since it is smaller than the sum of its proper divisors (82682220393368).

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

78558223166632 is a wasteful number, since it uses less digits than its factorization.

78558223166632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 808666 (or 808662 counting only the distinct ones).

The product of its digits is 174182400, while the sum is 64.

The spelling of 78558223166632 in words is "seventy-eight trillion, five hundred fifty-eight billion, two hundred twenty-three million, one hundred sixty-six thousand, six hundred thirty-two".