1632166384782 has 16 divisors (see below), whose sum is σ = 3268223521920. Its totient is φ = 543407002872.

The previous prime is 1632166384781. The next prime is 1632166384787. The reversal of 1632166384782 is 2874836612361.

It is a happy number.

It is a super-2 number, since 2×1632166384782² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1632166384781) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 162109228 + ... + 162119295.

It is an arithmetic number, because the mean of its divisors is an integer number (204263970120).

Almost surely, 2^{1632166384782} is an apocalyptic number.

1632166384782 is an abundant number, since it is smaller than the sum of its proper divisors (1636057137138).

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

1632166384782 is a wasteful number, since it uses less digits than its factorization.

1632166384782 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 324229367.

The product of its digits is 13934592, while the sum is 57.

The spelling of 1632166384782 in words is "one trillion, six hundred thirty-two billion, one hundred sixty-six million, three hundred eighty-four thousand, seven hundred eighty-two".