10663543554 has 16 divisors (see below), whose sum is σ = 21434260800. Its totient is φ = 3536652240.

The previous prime is 10663543549. The next prime is 10663543637. The reversal of 10663543554 is 45534536601.

It is a super-2 number, since 2×10663543554² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4464277 + ... + 4466664.

It is an arithmetic number, because the mean of its divisors is an integer number (1339641300).

Almost surely, 2^10663543554 is an apocalyptic number.

10663543554 is an abundant number, since it is smaller than the sum of its proper divisors (10770717246).

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

10663543554 is a wasteful number, since it uses less digits than its factorization.

10663543554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8931145.

The product of its (nonzero) digits is 648000, while the sum is 42.

The spelling of 10663543554 in words is "ten billion, six hundred sixty-three million, five hundred forty-three thousand, five hundred fifty-four".