10666065458 has 16 divisors (see below), whose sum is σ = 16418195640. Its totient is φ = 5193792000.

The previous prime is 10666065433. The next prime is 10666065491. The reversal of 10666065458 is 85456066601.

It can be written as a sum of positive squares in 4 ways, for example, as 7656775009 + 3009290449 = 87503^2 + 54857^2 .

It is a super-2 number, since 2×10666065458² (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 7 ways as a sum of consecutive naturals, for example, 67643 + ... + 160958.

Almost surely, 2^10666065458 is an apocalyptic number.

10666065458 is a deficient number, since it is larger than the sum of its proper divisors (5752130182).

10666065458 is a wasteful number, since it uses less digits than its factorization.

10666065458 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 229213.

The product of its (nonzero) digits is 1036800, while the sum is 47.

The spelling of 10666065458 in words is "ten billion, six hundred sixty-six million, sixty-five thousand, four hundred fifty-eight".