1675328881 has 4 divisors (see below), whose sum is σ = 1675926000. Its totient is φ = 1674731764.

The previous prime is 1675328861. The next prime is 1675328899. The reversal of 1675328881 is 1888235761.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1675328881 - 2⁵ = 1675328849 is a prime.

It is a super-2 number, since 2×1675328881² = 5613453719025424322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1675328821) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 294331 + ... + 299968.

It is an arithmetic number, because the mean of its divisors is an integer number (418981500).

Almost surely, 2^1675328881 is an apocalyptic number.

It is an amenable number.

1675328881 is a deficient number, since it is larger than the sum of its proper divisors (597119).

1675328881 is an equidigital number, since it uses as much as digits as its factorization.

1675328881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 597118.

The product of its digits is 645120, while the sum is 49.

The square root of 1675328881 is about 40930.7815830580. The cubic root of 1675328881 is about 1187.6815913766.

The spelling of 1675328881 in words is "one billion, six hundred seventy-five million, three hundred twenty-eight thousand, eight hundred eighty-one".