10666727513603 has 32 divisors (see below), whose sum is σ = 12790145894400. Its totient is φ = 8697596624640.

The previous prime is 10666727513599. The next prime is 10666727513639. The reversal of 10666727513603 is 30631572766601.

It is a happy number.

It is not a de Polignac number, because 10666727513603 - 2² = 10666727513599 is a prime.

It is a super-2 number, since 2×10666727513603² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10666727515603) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 73521113 + ... + 73666053.

It is an arithmetic number, because the mean of its divisors is an integer number (399692059200).

Almost surely, 2^{10666727513603} is an apocalyptic number.

10666727513603 is a deficient number, since it is larger than the sum of its proper divisors (2123418380797).

10666727513603 is a wasteful number, since it uses less digits than its factorization.

10666727513603 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147467.

The product of its (nonzero) digits is 5715360, while the sum is 53.

The spelling of 10666727513603 in words is "ten trillion, six hundred sixty-six billion, seven hundred twenty-seven million, five hundred thirteen thousand, six hundred three".