5635530781656 has 64 divisors (see below), whose sum is σ = 14413878374400. Its totient is φ = 1835310567168.

The previous prime is 5635530781631. The next prime is 5635530781681. The reversal of 5635530781656 is 6561870355365.

It is an interprime number because it is at equal distance from previous prime (5635530781631) and next prime (5635530781681).

It is a super-2 number, since 2×5635530781656² (a number of 26 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 5635530781656.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 3748360 + ... + 5032023.

It is an arithmetic number, because the mean of its divisors is an integer number (225216849600).

Almost surely, 2^{5635530781656} is an apocalyptic number.

It is an amenable number.

5635530781656 is an abundant number, since it is smaller than the sum of its proper divisors (8778347592744).

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

5635530781656 is a wasteful number, since it uses less digits than its factorization.

5635530781656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8781008 (or 8781004 counting only the distinct ones).

The product of its (nonzero) digits is 68040000, while the sum is 60.

The spelling of 5635530781656 in words is "five trillion, six hundred thirty-five billion, five hundred thirty million, seven hundred eighty-one thousand, six hundred fifty-six".