328076381558 has 4 divisors (see below), whose sum is σ = 492114572340. Its totient is φ = 164038190778.

The previous prime is 328076381539. The next prime is 328076381561. The reversal of 328076381558 is 855183670823.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 855183670823 = 99103 ⋅8629241.

It is a super-2 number, since 2×328076381558² (a number of 24 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 as a sum of consecutive naturals, namely, 82019095388 + ... + 82019095391.

It is an arithmetic number, because the mean of its divisors is an integer number (123028643085).

Almost surely, 2^328076381558 is an apocalyptic number.

328076381558 is a deficient number, since it is larger than the sum of its proper divisors (164038190782).

328076381558 is a wasteful number, since it uses less digits than its factorization.

328076381558 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164038190781.

The product of its (nonzero) digits is 9676800, while the sum is 56.

The spelling of 328076381558 in words is "three hundred twenty-eight billion, seventy-six million, three hundred eighty-one thousand, five hundred fifty-eight".