2167662001 has 2 divisors, whose sum is σ = 2167662002. Its totient is φ = 2167662000.

The previous prime is 2167661957. The next prime is 2167662019. The reversal of 2167662001 is 1002667612.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2058981376 + 108680625 = 45376^2 + 10425^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2167662001 is a prime.

It is not a weakly prime, because it can be changed into another prime (2167612001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1083831000 + 1083831001.

It is an arithmetic number, because the mean of its divisors is an integer number (1083831001).

Almost surely, 2^2167662001 is an apocalyptic number.

It is an amenable number.

2167662001 is a deficient number, since it is larger than the sum of its proper divisors (1).

2167662001 is an equidigital number, since it uses as much as digits as its factorization.

2167662001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 2167662001 is about 46558.1571907652. The cubic root of 2167662001 is about 1294.1874622404.

The spelling of 2167662001 in words is "two billion, one hundred sixty-seven million, six hundred sixty-two thousand, one".