328102061 has 16 divisors (see below), whose sum is σ = 393652224. Its totient is φ = 267370224.

The previous prime is 328102043. The next prime is 328102069. The reversal of 328102061 is 160201823.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-328102061 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (328102069) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20786 + ... + 32988.

It is an arithmetic number, because the mean of its divisors is an integer number (24603264).

Almost surely, 2^328102061 is an apocalyptic number.

It is an amenable number.

328102061 is a deficient number, since it is larger than the sum of its proper divisors (65550163).

328102061 is a wasteful number, since it uses less digits than its factorization.

328102061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12400.

The product of its (nonzero) digits is 576, while the sum is 23.

The square root of 328102061 is about 18113.5877451155. The cubic root of 328102061 is about 689.7149708416.

Adding to 328102061 its reverse (160201823), we get a palindrome (488303884).

The spelling of 328102061 in words is "three hundred twenty-eight million, one hundred two thousand, sixty-one".