500725431267166 has 16 divisors (see below), whose sum is σ = 861948223123680. Its totient is φ = 213706171019520.

The previous prime is 500725431267163. The next prime is 500725431267169. The reversal of 500725431267166 is 661762134527005.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (500725431267163) and next prime (500725431267169).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (500725431267163) 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, 74203528231 + ... + 74203534978.

It is an arithmetic number, because the mean of its divisors is an integer number (53871763945230).

Almost surely, 2^{500725431267166} is an apocalyptic number.

500725431267166 is a deficient number, since it is larger than the sum of its proper divisors (361222791856514).

500725431267166 is a wasteful number, since it uses less digits than its factorization.

500725431267166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148407063459.

The product of its (nonzero) digits is 12700800, while the sum is 55.

The spelling of 500725431267166 in words is "five hundred trillion, seven hundred twenty-five billion, four hundred thirty-one million, two hundred sixty-seven thousand, one hundred sixty-six".