6662165001 has 4 divisors (see below), whose sum is σ = 8882886672. Its totient is φ = 4441443332.

The previous prime is 6662164991. The next prime is 6662165023. The reversal of 6662165001 is 1005612666.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 6662165001 - 2⁶ = 6662164937 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6662165401) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1110360831 + ... + 1110360836.

It is an arithmetic number, because the mean of its divisors is an integer number (2220721668).

Almost surely, 2^6662165001 is an apocalyptic number.

It is an amenable number.

6662165001 is a deficient number, since it is larger than the sum of its proper divisors (2220721671).

6662165001 is a wasteful number, since it uses less digits than its factorization.

6662165001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2220721670.

The product of its (nonzero) digits is 12960, while the sum is 33.

The square root of 6662165001 is about 81622.0864778646. The cubic root of 6662165001 is about 1881.6483394176.

Adding to 6662165001 its reverse (1005612666), we get a palindrome (7667777667).

The spelling of 6662165001 in words is "six billion, six hundred sixty-two million, one hundred sixty-five thousand, one".