133027766665 has 64 divisors (see below), whose sum is σ = 175134555648. Its totient is φ = 96593817600.

The previous prime is 133027766659. The next prime is 133027766713. The reversal of 133027766665 is 566667720331.

It is not a de Polignac number, because 133027766665 - 2¹⁷ = 133027635593 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 270932070 + ... + 270932560.

It is an arithmetic number, because the mean of its divisors is an integer number (2736477432).

Almost surely, 2^133027766665 is an apocalyptic number.

It is an amenable number.

133027766665 is a deficient number, since it is larger than the sum of its proper divisors (42106788983).

133027766665 is a wasteful number, since it uses less digits than its factorization.

133027766665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1138.

The product of its (nonzero) digits is 5715360, while the sum is 52.

The spelling of 133027766665 in words is "one hundred thirty-three billion, twenty-seven million, seven hundred sixty-six thousand, six hundred sixty-five".