3262666681 has 4 divisors (see below), whose sum is σ = 3434386000. Its totient is φ = 3090947364.

The previous prime is 3262666661. The next prime is 3262666733. The reversal of 3262666681 is 1866662623.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3262666681 is a prime.

It is a super-2 number, since 2×3262666681² = 21289987742615111522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3262666651) 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 3 ways as a sum of consecutive naturals, for example, 85859631 + ... + 85859668.

It is an arithmetic number, because the mean of its divisors is an integer number (858596500).

Almost surely, 2^3262666681 is an apocalyptic number.

It is an amenable number.

3262666681 is a deficient number, since it is larger than the sum of its proper divisors (171719319).

3262666681 is a wasteful number, since it uses less digits than its factorization.

3262666681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171719318.

The product of its digits is 746496, while the sum is 46.

The square root of 3262666681 is about 57119.7573611793. The cubic root of 3262666681 is about 1483.1698981766.

The spelling of 3262666681 in words is "three billion, two hundred sixty-two million, six hundred sixty-six thousand, six hundred eighty-one".