626231161187 has 2 divisors, whose sum is σ = 626231161188. Its totient is φ = 626231161186.

The previous prime is 626231161139. The next prime is 626231161223. The reversal of 626231161187 is 781161132626.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 626231161187 - 2¹² = 626231157091 is a prime.

It is not a weakly prime, because it can be changed into another prime (626231161487) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 313115580593 + 313115580594.

It is an arithmetic number, because the mean of its divisors is an integer number (313115580594).

Almost surely, 2^626231161187 is an apocalyptic number.

626231161187 is a deficient number, since it is larger than the sum of its proper divisors (1).

626231161187 is an equidigital number, since it uses as much as digits as its factorization.

626231161187 is an evil number, because the sum of its binary digits is even.

The product of its digits is 145152, while the sum is 44.

The spelling of 626231161187 in words is "six hundred twenty-six billion, two hundred thirty-one million, one hundred sixty-one thousand, one hundred eighty-seven".