1667600101 has 8 divisors (see below), whose sum is σ = 1736134424. Its totient is φ = 1600300800.

The previous prime is 1667600089. The next prime is 1667600107. The reversal of 1667600101 is 1010067661.

It can be written as a sum of positive squares in 4 ways, for example, as 318801025 + 1348799076 = 17855^2 + 36726^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1667600101 - 2⁵ = 1667600069 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1667600101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1667600107) 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 7 ways as a sum of consecutive naturals, for example, 306000 + ... + 311401.

It is an arithmetic number, because the mean of its divisors is an integer number (217016803).

It is a Poulet number, since it divides 2^1667600100-1.

Almost surely, 2^1667600101 is an apocalyptic number.

It is an amenable number.

1667600101 is a deficient number, since it is larger than the sum of its proper divisors (68534323).

1667600101 is an equidigital number, since it uses as much as digits as its factorization.

1667600101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 617511.

The product of its (nonzero) digits is 1512, while the sum is 28.

The square root of 1667600101 is about 40836.2596352800. The cubic root of 1667600101 is about 1185.8524019433.

Adding to 1667600101 its reverse (1010067661), we get a palindrome (2677667762).

The spelling of 1667600101 in words is "one billion, six hundred sixty-seven million, six hundred thousand, one hundred one".