634053366157 has 16 divisors (see below), whose sum is σ = 672946704000. Its totient is φ = 596107266304.

The previous prime is 634053366119. The next prime is 634053366187. The reversal of 634053366157 is 751663350436.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-634053366157 is a prime.

It is a super-2 number, since 2×634053366157² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 634053366157.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (634053366187) 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, 8878569 + ... + 8949697.

It is an arithmetic number, because the mean of its divisors is an integer number (42059169000).

Almost surely, 2^634053366157 is an apocalyptic number.

It is an amenable number.

634053366157 is a deficient number, since it is larger than the sum of its proper divisors (38893337843).

634053366157 is a wasteful number, since it uses less digits than its factorization.

634053366157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77780.

The product of its (nonzero) digits is 4082400, while the sum is 49.

The spelling of 634053366157 in words is "six hundred thirty-four billion, fifty-three million, three hundred sixty-six thousand, one hundred fifty-seven".