626893130161 has 4 divisors (see below), whose sum is σ = 636249744112. Its totient is φ = 617536516212.

The previous prime is 626893130153. The next prime is 626893130183. The reversal of 626893130161 is 161031398626.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 626893130161 - 2³ = 626893130153 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (626893130191) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4678306875 + ... + 4678307008.

It is an arithmetic number, because the mean of its divisors is an integer number (159062436028).

Almost surely, 2^626893130161 is an apocalyptic number.

It is an amenable number.

626893130161 is a deficient number, since it is larger than the sum of its proper divisors (9356613951).

626893130161 is an equidigital number, since it uses as much as digits as its factorization.

626893130161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9356613950.

The product of its (nonzero) digits is 279936, while the sum is 46.

The spelling of 626893130161 in words is "six hundred twenty-six billion, eight hundred ninety-three million, one hundred thirty thousand, one hundred sixty-one".