6650574261 has 16 divisors (see below), whose sum is σ = 9028224960. Its totient is φ = 4353851520.

The previous prime is 6650574257. The next prime is 6650574311. The reversal of 6650574261 is 1624750566.

It is not a de Polignac number, because 6650574261 - 2² = 6650574257 is a prime.

It is a super-2 number, since 2×6650574261² = 88460276002151392242, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6650574251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16155 + ... + 116456.

It is an arithmetic number, because the mean of its divisors is an integer number (564264060).

Almost surely, 2^6650574261 is an apocalyptic number.

It is an amenable number.

6650574261 is a deficient number, since it is larger than the sum of its proper divisors (2377650699).

6650574261 is a wasteful number, since it uses less digits than its factorization.

6650574261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132916.

The product of its (nonzero) digits is 302400, while the sum is 42.

The square root of 6650574261 is about 81551.0530955916. The cubic root of 6650574261 is about 1880.5564842936.

The spelling of 6650574261 in words is "six billion, six hundred fifty million, five hundred seventy-four thousand, two hundred sixty-one".