328185099851 has 12 divisors (see below), whose sum is σ = 381789252648. Its totient is φ = 281284631712.

The previous prime is 328185099811. The next prime is 328185099857. The reversal of 328185099851 is 158990581823.

It is not a de Polignac number, because 328185099851 - 2⁶ = 328185099787 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (328185099857) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 661160 + ... + 1045706.

It is an arithmetic number, because the mean of its divisors is an integer number (31815771054).

Almost surely, 2^328185099851 is an apocalyptic number.

328185099851 is a deficient number, since it is larger than the sum of its proper divisors (53604152797).

328185099851 is a wasteful number, since it uses less digits than its factorization.

328185099851 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 401978 (or 401971 counting only the distinct ones).

The product of its (nonzero) digits is 6220800, while the sum is 59.

The spelling of 328185099851 in words is "three hundred twenty-eight billion, one hundred eighty-five million, ninety-nine thousand, eight hundred fifty-one".