6211317966 has 16 divisors (see below), whose sum is σ = 14197298304. Its totient is φ = 1774662264.

The previous prime is 6211317953. The next prime is 6211317967. The reversal of 6211317966 is 6697131126.

It is a Harshad number since it is a multiple of its sum of digits (42), and also a Moran number because the ratio is a prime number: 147888523 = 6211317966 / (6 + 2 + 1 + 1 + 3 + 1 + 7 + 9 + 6 + 6).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6211317967) 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, 73944220 + ... + 73944303.

It is an arithmetic number, because the mean of its divisors is an integer number (887331144).

Almost surely, 2^6211317966 is an apocalyptic number.

6211317966 is an abundant number, since it is smaller than the sum of its proper divisors (7985980338).

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

6211317966 is a wasteful number, since it uses less digits than its factorization.

6211317966 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147888535.

The product of its digits is 81648, while the sum is 42.

The square root of 6211317966 is about 78811.9151270923. The cubic root of 6211317966 is about 1838.2077268604.

The spelling of 6211317966 in words is "six billion, two hundred eleven million, three hundred seventeen thousand, nine hundred sixty-six".