3206662157 has 2 divisors, whose sum is σ = 3206662158. Its totient is φ = 3206662156.

The previous prime is 3206662033. The next prime is 3206662169. The reversal of 3206662157 is 7512666023.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3196093156 + 10569001 = 56534^2 + 3251^2 .

It is a cyclic number.

It is not a de Polignac number, because 3206662157 - 2¹⁴ = 3206645773 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3206662157.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3206662187) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1603331078 + 1603331079.

It is an arithmetic number, because the mean of its divisors is an integer number (1603331079).

Almost surely, 2^3206662157 is an apocalyptic number.

It is an amenable number.

3206662157 is a deficient number, since it is larger than the sum of its proper divisors (1).

3206662157 is an equidigital number, since it uses as much as digits as its factorization.

3206662157 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 90720, while the sum is 38.

The square root of 3206662157 is about 56627.3975827956. The cubic root of 3206662157 is about 1474.6345404260.

The spelling of 3206662157 in words is "three billion, two hundred six million, six hundred sixty-two thousand, one hundred fifty-seven".