516266129742 has 16 divisors (see below), whose sum is σ = 1126398828672. Its totient is φ = 156444281720.

The previous prime is 516266129707. The next prime is 516266129761. The reversal of 516266129742 is 247921662615.

It is a happy number.

It is a super-3 number, since 3×516266129742³ (a number of 36 digits) contains 333 as substring.

It is a congruent 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, 3911106978 + ... + 3911107109.

It is an arithmetic number, because the mean of its divisors is an integer number (70399926792).

Almost surely, 2^516266129742 is an apocalyptic number.

516266129742 is an abundant number, since it is smaller than the sum of its proper divisors (610132698930).

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

516266129742 is a wasteful number, since it uses less digits than its factorization.

516266129742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7822214103.

The product of its digits is 2177280, while the sum is 51.

The spelling of 516266129742 in words is "five hundred sixteen billion, two hundred sixty-six million, one hundred twenty-nine thousand, seven hundred forty-two".