6724149966 has 12 divisors (see below), whose sum is σ = 14568991632. Its totient is φ = 2241383316.

The previous prime is 6724149947. The next prime is 6724149979. The reversal of 6724149966 is 6699414276.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 186781926 + ... + 186781961.

It is an arithmetic number, because the mean of its divisors is an integer number (1214082636).

Almost surely, 2^6724149966 is an apocalyptic number.

6724149966 is an abundant number, since it is smaller than the sum of its proper divisors (7844841666).

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

6724149966 is a wasteful number, since it uses less digits than its factorization.

6724149966 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 373563895 (or 373563892 counting only the distinct ones).

The product of its digits is 3919104, while the sum is 54.

The square root of 6724149966 is about 82000.9144217307. The cubic root of 6724149966 is about 1887.4659699199.

The spelling of 6724149966 in words is "six billion, seven hundred twenty-four million, one hundred forty-nine thousand, nine hundred sixty-six".