166501115106 has 16 divisors (see below), whose sum is σ = 342002290944. Its totient is φ = 54000361584.

The previous prime is 166501115083. The next prime is 166501115161. The reversal of 166501115106 is 601511105661.

It is a super-2 number, since 2×166501115106² (a number of 23 digits) contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 375002290 + ... + 375002733.

It is an arithmetic number, because the mean of its divisors is an integer number (21375143184).

Almost surely, 2^166501115106 is an apocalyptic number.

166501115106 is an abundant number, since it is smaller than the sum of its proper divisors (175501175838).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

166501115106 is a wasteful number, since it uses less digits than its factorization.

166501115106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 750005065.

The product of its (nonzero) digits is 5400, while the sum is 33.

The spelling of 166501115106 in words is "one hundred sixty-six billion, five hundred one million, one hundred fifteen thousand, one hundred six".