506071766 has 4 divisors (see below), whose sum is σ = 759107652. Its totient is φ = 253035882.

The previous prime is 506071763. The next prime is 506071823. The reversal of 506071766 is 667170605.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 667170605 = 5 ⋅133434121.

It is a super-2 number, since 2×506071766² = 512217264684717512, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (506071763) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126517940 + ... + 126517943.

It is an arithmetic number, because the mean of its divisors is an integer number (189776913).

Almost surely, 2^506071766 is an apocalyptic number.

506071766 is a deficient number, since it is larger than the sum of its proper divisors (253035886).

506071766 is a wasteful number, since it uses less digits than its factorization.

506071766 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 253035885.

The product of its (nonzero) digits is 52920, while the sum is 38.

The square root of 506071766 is about 22496.0388957701. The cubic root of 506071766 is about 796.9003841121.

The spelling of 506071766 in words is "five hundred six million, seventy-one thousand, seven hundred sixty-six".