6557070161251 has 2 divisors, whose sum is σ = 6557070161252. Its totient is φ = 6557070161250.

The previous prime is 6557070161149. The next prime is 6557070161263. The reversal of 6557070161251 is 1521610707556.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6557070161251 - 2⁷ = 6557070161123 is a prime.

It is not a weakly prime, because it can be changed into another prime (6557070161281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3278535080625 + 3278535080626.

It is an arithmetic number, because the mean of its divisors is an integer number (3278535080626).

Almost surely, 2^{6557070161251} is an apocalyptic number.

6557070161251 is a deficient number, since it is larger than the sum of its proper divisors (1).

6557070161251 is an equidigital number, since it uses as much as digits as its factorization.

6557070161251 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 441000, while the sum is 46.

The spelling of 6557070161251 in words is "six trillion, five hundred fifty-seven billion, seventy million, one hundred sixty-one thousand, two hundred fifty-one".