6540336266 has 16 divisors (see below), whose sum is σ = 9989858304. Its totient is φ = 3210924864.

The previous prime is 6540336251. The next prime is 6540336287. The reversal of 6540336266 is 6626330456.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 111050 + ... + 159413.

It is an arithmetic number, because the mean of its divisors is an integer number (624366144).

Almost surely, 2^6540336266 is an apocalyptic number.

6540336266 is a deficient number, since it is larger than the sum of its proper divisors (3449522038).

6540336266 is a wasteful number, since it uses less digits than its factorization.

6540336266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 270685.

The product of its (nonzero) digits is 466560, while the sum is 41.

The square root of 6540336266 is about 80872.3454958492. The cubic root of 6540336266 is about 1870.1080195354.

The spelling of 6540336266 in words is "six billion, five hundred forty million, three hundred thirty-six thousand, two hundred sixty-six".