6662856037 has 2 divisors, whose sum is σ = 6662856038. Its totient is φ = 6662856036.

The previous prime is 6662856029. The next prime is 6662856041. The reversal of 6662856037 is 7306582666.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3903875361 + 2758980676 = 62481^2 + 52526^2 .

It is a cyclic number.

It is not a de Polignac number, because 6662856037 - 2³ = 6662856029 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6662856047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3331428018 + 3331428019.

It is an arithmetic number, because the mean of its divisors is an integer number (3331428019).

Almost surely, 2^6662856037 is an apocalyptic number.

It is an amenable number.

6662856037 is a deficient number, since it is larger than the sum of its proper divisors (1).

6662856037 is an equidigital number, since it uses as much as digits as its factorization.

6662856037 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2177280, while the sum is 49.

The square root of 6662856037 is about 81626.3195115399. The cubic root of 6662856037 is about 1881.7133954360.

The spelling of 6662856037 in words is "six billion, six hundred sixty-two million, eight hundred fifty-six thousand, thirty-seven".