663422103531 has 48 divisors (see below), whose sum is σ = 1054148640480. Its totient is φ = 398718236160.

The previous prime is 663422103517. The next prime is 663422103541. The reversal of 663422103531 is 135301224366.

663422103531 is a `hidden beast` number, since 6 + 63 + 42 + 21 + 0 + 3 + 531 = 666.

It is not a de Polignac number, because 663422103531 - 2¹⁵ = 663422070763 is a prime.

It is a super-2 number, since 2×663422103531² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (663422103541) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 6612615 + ... + 6712191.

It is an arithmetic number, because the mean of its divisors is an integer number (21961430010).

Almost surely, 2^663422103531 is an apocalyptic number.

663422103531 is a deficient number, since it is larger than the sum of its proper divisors (390726536949).

663422103531 is a wasteful number, since it uses less digits than its factorization.

663422103531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100156 (or 100153 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 36.

Adding to 663422103531 its reverse (135301224366), we get a palindrome (798723327897).

The spelling of 663422103531 in words is "six hundred sixty-three billion, four hundred twenty-two million, one hundred three thousand, five hundred thirty-one".