3251666061 has 48 divisors (see below), whose sum is σ = 5743104640. Its totient is φ = 1731404160.

The previous prime is 3251666057. The next prime is 3251666071. The reversal of 3251666061 is 1606661523.

It is not a de Polignac number, because 3251666061 - 2² = 3251666057 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3251666071) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 50751 + ... + 95283.

Almost surely, 2^3251666061 is an apocalyptic number.

It is an amenable number.

3251666061 is a deficient number, since it is larger than the sum of its proper divisors (2491438579).

3251666061 is a wasteful number, since it uses less digits than its factorization.

3251666061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44626 (or 44623 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 36.

The square root of 3251666061 is about 57023.3817043500. The cubic root of 3251666061 is about 1481.5011037421.

The spelling of 3251666061 in words is "three billion, two hundred fifty-one million, six hundred sixty-six thousand, sixty-one".