6261428266 has 16 divisors (see below), whose sum is σ = 9601409664. Its totient is φ = 3061089504.

The previous prime is 6261428263. The next prime is 6261428269. The reversal of 6261428266 is 6628241626.

It is an interprime number because it is at equal distance from previous prime (6261428263) and next prime (6261428269).

It is not an unprimeable number, because it can be changed into a prime (6261428263) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64861 + ... + 129343.

It is an arithmetic number, because the mean of its divisors is an integer number (600088104).

Almost surely, 2^6261428266 is an apocalyptic number.

6261428266 is a deficient number, since it is larger than the sum of its proper divisors (3339981398).

6261428266 is a wasteful number, since it uses less digits than its factorization.

6261428266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65565.

The product of its digits is 331776, while the sum is 43.

The square root of 6261428266 is about 79129.1871941068. The cubic root of 6261428266 is about 1843.1377881579.

The spelling of 6261428266 in words is "six billion, two hundred sixty-one million, four hundred twenty-eight thousand, two hundred sixty-six".