10611621768 has 64 divisors (see below), whose sum is σ = 29938766400. Its totient is φ = 3104756480.

The previous prime is 10611621767. The next prime is 10611621773. The reversal of 10611621768 is 86712611601.

It is a super-2 number, since 2×10611621768² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10611621767) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 685371 + ... + 700682.

It is an arithmetic number, because the mean of its divisors is an integer number (467793225).

Almost surely, 2^10611621768 is an apocalyptic number.

It is an amenable number.

10611621768 is an abundant number, since it is smaller than the sum of its proper divisors (19327144632).

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

10611621768 is a wasteful number, since it uses less digits than its factorization.

10611621768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1386102 (or 1386098 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 39.

The spelling of 10611621768 in words is "ten billion, six hundred eleven million, six hundred twenty-one thousand, seven hundred sixty-eight".