10601666566 has 8 divisors (see below), whose sum is σ = 15915744504. Its totient is φ = 5296418400.

The previous prime is 10601666563. The next prime is 10601666567. The reversal of 10601666566 is 66566610601.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×10601666566² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10601666563) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2204440 + ... + 2209243.

It is an arithmetic number, because the mean of its divisors is an integer number (1989468063).

Almost surely, 2^10601666566 is an apocalyptic number.

10601666566 is a deficient number, since it is larger than the sum of its proper divisors (5314077938).

10601666566 is a wasteful number, since it uses less digits than its factorization.

10601666566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4414886.

The product of its (nonzero) digits is 233280, while the sum is 43.

The spelling of 10601666566 in words is "ten billion, six hundred one million, six hundred sixty-six thousand, five hundred sixty-six".