1667652084 has 72 divisors (see below), whose sum is σ = 5029442880. Its totient is φ = 476470512.

The previous prime is 1667652067. The next prime is 1667652109. The reversal of 1667652084 is 4802567661.

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 23 ways as a sum of consecutive naturals, for example, 152272 + ... + 162855.

Almost surely, 2^1667652084 is an apocalyptic number.

1667652084 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1667652084 is an abundant number, since it is smaller than the sum of its proper divisors (3361790796).

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

1667652084 is a wasteful number, since it uses less digits than its factorization.

1667652084 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 315154 (or 315139 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 45.

The square root of 1667652084 is about 40836.8961112374. The cubic root of 1667652084 is about 1185.8647237473.

The spelling of 1667652084 in words is "one billion, six hundred sixty-seven million, six hundred fifty-two thousand, eighty-four".