1671147675 has 18 divisors (see below), whose sum is σ = 2993211572. Its totient is φ = 891278640.

The previous prime is 1671147637. The next prime is 1671147677. The reversal of 1671147675 is 5767411761.

It is a happy number.

1671147675 is a `hidden beast` number, since 167 + 11 + 476 + 7 + 5 = 666.

It is not a de Polignac number, because 1671147675 - 2¹⁶ = 1671082139 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1671147675.

It is not an unprimeable number, because it can be changed into a prime (1671147677) 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 17 ways as a sum of consecutive naturals, for example, 3713437 + ... + 3713886.

Almost surely, 2^1671147675 is an apocalyptic number.

1671147675 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1671147675 is a deficient number, since it is larger than the sum of its proper divisors (1322063897).

1671147675 is a wasteful number, since it uses less digits than its factorization.

1671147675 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7427339 (or 7427331 counting only the distinct ones).

The product of its digits is 246960, while the sum is 45.

The square root of 1671147675 is about 40879.6731273625. The cubic root of 1671147675 is about 1186.6927152136.

The spelling of 1671147675 in words is "one billion, six hundred seventy-one million, one hundred forty-seven thousand, six hundred seventy-five".