7641711266 has 16 divisors (see below), whose sum is σ = 13101238080. Its totient is φ = 3274728720.

The previous prime is 7641711263. The next prime is 7641711277. The reversal of 7641711266 is 6621171467.

It is a super-2 number, since 2×7641711266² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (7641711263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 235220 + ... + 265728.

It is an arithmetic number, because the mean of its divisors is an integer number (818827380).

Almost surely, 2^7641711266 is an apocalyptic number.

7641711266 is a deficient number, since it is larger than the sum of its proper divisors (5459526814).

7641711266 is a wasteful number, since it uses less digits than its factorization.

7641711266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48409.

The product of its digits is 84672, while the sum is 41.

The square root of 7641711266 is about 87416.8820423149. The cubic root of 7641711266 is about 1969.6854407699.

The spelling of 7641711266 in words is "seven billion, six hundred forty-one million, seven hundred eleven thousand, two hundred sixty-six".