328178190655600 has 120 divisors (see below), whose sum is σ = 805278586514688. Its totient is φ = 128469496108800.

The previous prime is 328178190655577. The next prime is 328178190655619. The reversal of 328178190655600 is 6556091871823.

It is a super-2 number, since 2×328178190655600² (a number of 30 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 23 ways as a sum of consecutive naturals, for example, 278158935 + ... + 279336265.

Almost surely, 2^{328178190655600} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 328178190655600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (402639293257344).

328178190655600 is an abundant number, since it is smaller than the sum of its proper divisors (477100395859088).

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

328178190655600 is a wasteful number, since it uses less digits than its factorization.

328178190655600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1192223 (or 1192212 counting only the distinct ones).

The product of its (nonzero) digits is 21772800, while the sum is 61.

The spelling of 328178190655600 in words is "three hundred twenty-eight trillion, one hundred seventy-eight billion, one hundred ninety million, six hundred fifty-five thousand, six hundred".