634336632022157 has 16 divisors (see below), whose sum is σ = 638608076592000. Its totient is φ = 630076540864320.

The previous prime is 634336632022153. The next prime is 634336632022229. The reversal of 634336632022157 is 751220236633436.

It is a cyclic number.

It is not a de Polignac number, because 634336632022157 - 2² = 634336632022153 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 634336632022099 and 634336632022108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (634336632022153) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 488514107 + ... + 489810887.

It is an arithmetic number, because the mean of its divisors is an integer number (39913004787000).

Almost surely, 2^{634336632022157} is an apocalyptic number.

It is an amenable number.

634336632022157 is a deficient number, since it is larger than the sum of its proper divisors (4271444569843).

634336632022157 is a wasteful number, since it uses less digits than its factorization.

634336632022157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1301156.

The product of its (nonzero) digits is 19595520, while the sum is 53.

The spelling of 634336632022157 in words is "six hundred thirty-four trillion, three hundred thirty-six billion, six hundred thirty-two million, twenty-two thousand, one hundred fifty-seven".