52170802028816 has 20 divisors (see below), whose sum is σ = 101235723635532. Its totient is φ = 26045453993856.

The previous prime is 52170802028773. The next prime is 52170802028819. The reversal of 52170802028816 is 61882020807125.

It can be written as a sum of positive squares in 2 ways, for example, as 5397239654416 + 46773562374400 = 2323196^2 + 6839120^2 .

It is not an unprimeable number, because it can be changed into a prime (52170802028819) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2496678011 + ... + 2496698906.

Almost surely, 2^{52170802028816} is an apocalyptic number.

It is an amenable number.

52170802028816 is a deficient number, since it is larger than the sum of its proper divisors (49064921606716).

52170802028816 is a wasteful number, since it uses less digits than its factorization.

52170802028816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4993377578 (or 4993377572 counting only the distinct ones).

The product of its (nonzero) digits is 860160, while the sum is 50.

The spelling of 52170802028816 in words is "fifty-two trillion, one hundred seventy billion, eight hundred two million, twenty-eight thousand, eight hundred sixteen".