1066015166649 has 16 divisors (see below), whose sum is σ = 1428864983040. Its totient is φ = 706921428240.

The previous prime is 1066015166621. The next prime is 1066015166693. The reversal of 1066015166649 is 9466615106601.

1066015166649 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1066015166649 - 2¹³ = 1066015158457 is a prime.

It is a super-2 number, since 2×1066015166649² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1066015166149) 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, 17824254 + ... + 17883960.

It is an arithmetic number, because the mean of its divisors is an integer number (89304061440).

Almost surely, 2^{1066015166649} is an apocalyptic number.

It is an amenable number.

1066015166649 is a deficient number, since it is larger than the sum of its proper divisors (362849816391).

1066015166649 is a wasteful number, since it uses less digits than its factorization.

1066015166649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91060.

The product of its (nonzero) digits is 1399680, while the sum is 51.

The spelling of 1066015166649 in words is "one trillion, sixty-six billion, fifteen million, one hundred sixty-six thousand, six hundred forty-nine".