1328051670 has 32 divisors (see below), whose sum is σ = 3477081600. Its totient is φ = 321951840.

The previous prime is 1328051653. The next prime is 1328051701. The reversal of 1328051670 is 761508231.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2011870 + ... + 2012529.

It is an arithmetic number, because the mean of its divisors is an integer number (108658800).

Almost surely, 2^1328051670 is an apocalyptic number.

1328051670 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1328051670 is an abundant number, since it is smaller than the sum of its proper divisors (2149029930).

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

1328051670 is a wasteful number, since it uses less digits than its factorization.

1328051670 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4024420.

The product of its (nonzero) digits is 10080, while the sum is 33.

The square root of 1328051670 is about 36442.4432495957. The cubic root of 1328051670 is about 1099.1871874228.

The spelling of 1328051670 in words is "one billion, three hundred twenty-eight million, fifty-one thousand, six hundred seventy".