1671775485 has 16 divisors (see below), whose sum is σ = 2708701440. Its totient is φ = 880326720.

The previous prime is 1671775463. The next prime is 1671775487. The reversal of 1671775485 is 5845771761.

It is not a de Polignac number, because 1671775485 - 2⁵ = 1671775453 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1671775487) by changing a digit.

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, 704206 + ... + 706575.

It is an arithmetic number, because the mean of its divisors is an integer number (169293840).

Almost surely, 2^1671775485 is an apocalyptic number.

1671775485 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1671775485 is a deficient number, since it is larger than the sum of its proper divisors (1036925955).

1671775485 is a wasteful number, since it uses less digits than its factorization.

1671775485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1410868.

The product of its digits is 1646400, while the sum is 51.

The square root of 1671775485 is about 40887.3511614533. The cubic root of 1671775485 is about 1186.8413005818.

The spelling of 1671775485 in words is "one billion, six hundred seventy-one million, seven hundred seventy-five thousand, four hundred eighty-five".