10663651506 has 32 divisors (see below), whose sum is σ = 23563675008. Its totient is φ = 3200003840.

The previous prime is 10663651477. The next prime is 10663651513. The reversal of 10663651506 is 60515636601.

It is a super-2 number, since 2×10663651506² (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 15 ways as a sum of consecutive naturals, for example, 2270385 + ... + 2275076.

It is an arithmetic number, because the mean of its divisors is an integer number (736364844).

Almost surely, 2^10663651506 is an apocalyptic number.

10663651506 is an abundant number, since it is smaller than the sum of its proper divisors (12900023502).

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

10663651506 is a wasteful number, since it uses less digits than its factorization.

10663651506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4545506.

The product of its (nonzero) digits is 97200, while the sum is 39.

The spelling of 10663651506 in words is "ten billion, six hundred sixty-three million, six hundred fifty-one thousand, five hundred six".