6650084257 has 32 divisors (see below), whose sum is σ = 7156251648. Its totient is φ = 6168960000.

The previous prime is 6650084249. The next prime is 6650084261. The reversal of 6650084257 is 7524800566.

It is a cyclic number.

It is not a de Polignac number, because 6650084257 - 2³ = 6650084249 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6650084237) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 31516882 + ... + 31517092.

It is an arithmetic number, because the mean of its divisors is an integer number (223632864).

Almost surely, 2^6650084257 is an apocalyptic number.

It is an amenable number.

6650084257 is a deficient number, since it is larger than the sum of its proper divisors (506167391).

6650084257 is a wasteful number, since it uses less digits than its factorization.

6650084257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 601.

The product of its (nonzero) digits is 403200, while the sum is 43.

The square root of 6650084257 is about 81548.0487626773. The cubic root of 6650084257 is about 1880.5102976639.

The spelling of 6650084257 in words is "six billion, six hundred fifty million, eighty-four thousand, two hundred fifty-seven".