166652101893 has 16 divisors (see below), whose sum is σ = 226424185920. Its totient is φ = 108991244544.

The previous prime is 166652101873. The next prime is 166652101901. The reversal of 166652101893 is 398101256661.

It is not a de Polignac number, because 166652101893 - 2¹² = 166652097797 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166652101873) 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, 1267053 + ... + 1392381.

It is an arithmetic number, because the mean of its divisors is an integer number (14151511620).

Almost surely, 2^166652101893 is an apocalyptic number.

It is an amenable number.

166652101893 is a deficient number, since it is larger than the sum of its proper divisors (59772084027).

166652101893 is a wasteful number, since it uses less digits than its factorization.

166652101893 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133748.

The product of its (nonzero) digits is 466560, while the sum is 48.

The spelling of 166652101893 in words is "one hundred sixty-six billion, six hundred fifty-two million, one hundred one thousand, eight hundred ninety-three".