6657260001 has 24 divisors (see below), whose sum is σ = 10774488384. Its totient is φ = 3638748960.

The previous prime is 6657259979. The next prime is 6657260003. The reversal of 6657260001 is 1000627566.

It is not a de Polignac number, because 6657260001 - 2⁵ = 6657259969 is a prime.

It is a super-2 number, since 2×6657260001² = 88638221441829040002, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (6657260003) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 981130 + ... + 987891.

It is an arithmetic number, because the mean of its divisors is an integer number (448937016).

Almost surely, 2^6657260001 is an apocalyptic number.

It is an amenable number.

6657260001 is a deficient number, since it is larger than the sum of its proper divisors (4117228383).

6657260001 is a wasteful number, since it uses less digits than its factorization.

6657260001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1969061 (or 1969054 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 33.

The square root of 6657260001 is about 81592.0339310156. The cubic root of 6657260001 is about 1881.1864399654.

Adding to 6657260001 its reverse (1000627566), we get a palindrome (7657887567).

The spelling of 6657260001 in words is "six billion, six hundred fifty-seven million, two hundred sixty thousand, one".