16786366052 has 6 divisors (see below), whose sum is σ = 29376140598. Its totient is φ = 8393183024.

The previous prime is 16786366043. The next prime is 16786366067. The reversal of 16786366052 is 25066368761.

It can be written as a sum of positive squares in only one way, i.e., 11563991296 + 5222374756 = 107536^2 + 72266^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2098295753 + ... + 2098295760.

It is an arithmetic number, because the mean of its divisors is an integer number (4896023433).

Almost surely, 2^16786366052 is an apocalyptic number.

It is an amenable number.

16786366052 is a deficient number, since it is larger than the sum of its proper divisors (12589774546).

16786366052 is a wasteful number, since it uses less digits than its factorization.

16786366052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4196591517 (or 4196591515 counting only the distinct ones).

The product of its (nonzero) digits is 2177280, while the sum is 50.

The spelling of 16786366052 in words is "sixteen billion, seven hundred eighty-six million, three hundred sixty-six thousand, fifty-two".