506266690078 has 8 divisors (see below), whose sum is σ = 804070625472. Its totient is φ = 238243148256.

The previous prime is 506266690067. The next prime is 506266690079. The reversal of 506266690078 is 870096662605.

It is a happy number.

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

It is a super-2 number, since 2×506266690078² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (506266690079) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7445098350 + ... + 7445098417.

It is an arithmetic number, because the mean of its divisors is an integer number (100508828184).

Almost surely, 2^506266690078 is an apocalyptic number.

506266690078 is a deficient number, since it is larger than the sum of its proper divisors (297803935394).

506266690078 is a wasteful number, since it uses less digits than its factorization.

506266690078 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14890196786.

The product of its (nonzero) digits is 6531840, while the sum is 55.

The spelling of 506266690078 in words is "five hundred six billion, two hundred sixty-six million, six hundred ninety thousand, seventy-eight".