538516320146 has 16 divisors (see below), whose sum is σ = 929284552320. Its totient is φ = 229264279200.

The previous prime is 538516320131. The next prime is 538516320151. The reversal of 538516320146 is 641023615835.

It is a happy number.

It is a super-2 number, since 2×538516320146² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 538516320097 and 538516320106.

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, 127366931 + ... + 127371158.

It is an arithmetic number, because the mean of its divisors is an integer number (58080284520).

Almost surely, 2^538516320146 is an apocalyptic number.

538516320146 is a deficient number, since it is larger than the sum of its proper divisors (390768232174).

538516320146 is a wasteful number, since it uses less digits than its factorization.

538516320146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 254738249.

The product of its (nonzero) digits is 518400, while the sum is 44.

The spelling of 538516320146 in words is "five hundred thirty-eight billion, five hundred sixteen million, three hundred twenty thousand, one hundred forty-six".