506166101 has 4 divisors (see below), whose sum is σ = 578475552. Its totient is φ = 433856652.

The previous prime is 506165987. The next prime is 506166103. The reversal of 506166101 is 101661605.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 506166101 - 2¹⁴ = 506149717 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 (506166103) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36154715 + ... + 36154728.

It is an arithmetic number, because the mean of its divisors is an integer number (144618888).

Almost surely, 2^506166101 is an apocalyptic number.

It is an amenable number.

506166101 is a deficient number, since it is larger than the sum of its proper divisors (72309451).

506166101 is an equidigital number, since it uses as much as digits as its factorization.

506166101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72309450.

The product of its (nonzero) digits is 1080, while the sum is 26.

The square root of 506166101 is about 22498.1355005254. The cubic root of 506166101 is about 796.9498968045.

The spelling of 506166101 in words is "five hundred six million, one hundred sixty-six thousand, one hundred one".