635385164652 has 216 divisors, whose sum is σ = 1908112586016. Its totient is φ = 181343100672.

The previous prime is 635385164639. The next prime is 635385164707. The reversal of 635385164652 is 256461583536.

635385164652 is a `hidden beast` number, since 6 + 3 + 5 + 38 + 516 + 46 + 52 = 666.

It is a super-2 number, since 2×635385164652² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 322039138 + ... + 322041110.

Almost surely, 2^635385164652 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 635385164652, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (954056293008).

635385164652 is an abundant number, since it is smaller than the sum of its proper divisors (1272727421364).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

635385164652 is a wasteful number, since it uses less digits than its factorization.

635385164652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3761 (or 3738 counting only the distinct ones).

The product of its digits is 15552000, while the sum is 54.

The spelling of 635385164652 in words is "six hundred thirty-five billion, three hundred eighty-five million, one hundred sixty-four thousand, six hundred fifty-two".