1632820398064 has 20 divisors (see below), whose sum is σ = 3265640797120. Its totient is φ = 790074385920.

The previous prime is 1632820398031. The next prime is 1632820398109. The reversal of 1632820398064 is 4608930282361.

1632820398064 is an admirable number.

It is a super-2 number, since 2×1632820398064² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1645987809 + ... + 1645988800.

It is an arithmetic number, because the mean of its divisors is an integer number (163282039856).

Almost surely, 2^{1632820398064} is an apocalyptic number.

It is an amenable number.

1632820398064 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1632820398064 is a wasteful number, since it uses less digits than its factorization.

1632820398064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3291976648 (or 3291976642 counting only the distinct ones).

The product of its (nonzero) digits is 2985984, while the sum is 52.

The spelling of 1632820398064 in words is "one trillion, six hundred thirty-two billion, eight hundred twenty million, three hundred ninety-eight thousand, sixty-four".