1011666695 has 16 divisors (see below), whose sum is σ = 1310977920. Its totient is φ = 745023744.

The previous prime is 1011666671. The next prime is 1011666713. The reversal of 1011666695 is 5966661101.

1011666695 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 1011666695 - 2²⁸ = 743231239 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2651 + ... + 45059.

It is an arithmetic number, because the mean of its divisors is an integer number (81936120).

Almost surely, 2^1011666695 is an apocalyptic number.

1011666695 is a deficient number, since it is larger than the sum of its proper divisors (299311225).

1011666695 is a wasteful number, since it uses less digits than its factorization.

1011666695 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42794.

The product of its (nonzero) digits is 58320, while the sum is 41.

The square root of 1011666695 is about 31806.7083333060. The cubic root of 1011666695 is about 1003.8738720703.

The spelling of 1011666695 in words is "one billion, eleven million, six hundred sixty-six thousand, six hundred ninety-five".