1667677325 has 6 divisors (see below), whose sum is σ = 2067919914. Its totient is φ = 1334141840.

The previous prime is 1667677321. The next prime is 1667677331. The reversal of 1667677325 is 5237767661.

It can be written as a sum of positive squares in 3 ways, for example, as 3200521 + 1664476804 = 1789^2 + 40798^2 .

It is not a de Polignac number, because 1667677325 - 2² = 1667677321 is a prime.

It is a super-2 number, since 2×1667677325² = 5562295320638311250, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1667677321) 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 5 ways as a sum of consecutive naturals, for example, 33353522 + ... + 33353571.

It is an arithmetic number, because the mean of its divisors is an integer number (344653319).

Almost surely, 2^1667677325 is an apocalyptic number.

It is an amenable number.

1667677325 is a deficient number, since it is larger than the sum of its proper divisors (400242589).

1667677325 is an equidigital number, since it uses as much as digits as its factorization.

1667677325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66707103 (or 66707098 counting only the distinct ones).

The product of its digits is 2222640, while the sum is 50.

The square root of 1667677325 is about 40837.2051565726. The cubic root of 1667677325 is about 1185.8707066620.

The spelling of 1667677325 in words is "one billion, six hundred sixty-seven million, six hundred seventy-seven thousand, three hundred twenty-five".