166746252311 has 8 divisors (see below), whose sum is σ = 174968138880. Its totient is φ = 158605369912.

The previous prime is 166746252307. The next prime is 166746252331. The reversal of 166746252311 is 113252647661.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 166746252311 - 2² = 166746252307 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166746252331) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20246825 + ... + 20255058.

It is an arithmetic number, because the mean of its divisors is an integer number (21871017360).

Almost surely, 2^166746252311 is an apocalyptic number.

166746252311 is a deficient number, since it is larger than the sum of its proper divisors (8221886569).

166746252311 is a wasteful number, since it uses less digits than its factorization.

166746252311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40502085.

The product of its digits is 362880, while the sum is 44.

Adding to 166746252311 its reverse (113252647661), we get a palindrome (279998899972).

The spelling of 166746252311 in words is "one hundred sixty-six billion, seven hundred forty-six million, two hundred fifty-two thousand, three hundred eleven".