10661167612 has 6 divisors (see below), whose sum is σ = 18657043328. Its totient is φ = 5330583804.

The previous prime is 10661167607. The next prime is 10661167651. The reversal of 10661167612 is 21676116601.

It is a super-2 number, since 2×10661167612² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1332645948 + ... + 1332645955.

Almost surely, 2^10661167612 is an apocalyptic number.

It is an amenable number.

10661167612 is a deficient number, since it is larger than the sum of its proper divisors (7995875716).

10661167612 is a wasteful number, since it uses less digits than its factorization.

10661167612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2665291907 (or 2665291905 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 37.

The spelling of 10661167612 in words is "ten billion, six hundred sixty-one million, one hundred sixty-seven thousand, six hundred twelve".