166011074933 has 16 divisors (see below), whose sum is σ = 196938713664. Its totient is φ = 138202594560.

The previous prime is 166011074861. The next prime is 166011074959. The reversal of 166011074933 is 339470110661.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 166011074933 - 2¹⁸ = 166010812789 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166011074993) 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, 11989835 + ... + 12003672.

It is an arithmetic number, because the mean of its divisors is an integer number (12308669604).

Almost surely, 2^166011074933 is an apocalyptic number.

It is an amenable number.

166011074933 is a deficient number, since it is larger than the sum of its proper divisors (30927638731).

166011074933 is a wasteful number, since it uses less digits than its factorization.

166011074933 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23993572.

The product of its (nonzero) digits is 81648, while the sum is 41.

The spelling of 166011074933 in words is "one hundred sixty-six billion, eleven million, seventy-four thousand, nine hundred thirty-three".