6125221266 has 16 divisors (see below), whose sum is σ = 12280997088. Its totient is φ = 2036648000.

The previous prime is 6125221253. The next prime is 6125221307. The reversal of 6125221266 is 6621225216.

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, 1270500 + ... + 1275311.

It is an arithmetic number, because the mean of its divisors is an integer number (767562318).

Almost surely, 2^6125221266 is an apocalyptic number.

6125221266 is an abundant number, since it is smaller than the sum of its proper divisors (6155775822).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6125221266 is a wasteful number, since it uses less digits than its factorization.

6125221266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2546217.

The product of its digits is 17280, while the sum is 33.

The square root of 6125221266 is about 78263.7928163464. The cubic root of 6125221266 is about 1829.6748868533.

The spelling of 6125221266 in words is "six billion, one hundred twenty-five million, two hundred twenty-one thousand, two hundred sixty-six".