16072705057 has 2 divisors, whose sum is σ = 16072705058. Its totient is φ = 16072705056.

The previous prime is 16072705027. The next prime is 16072705123. The reversal of 16072705057 is 75050727061.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 15168139281 + 904565776 = 123159^2 + 30076^2 .

It is a cyclic number.

It is not a de Polignac number, because 16072705057 - 2⁷ = 16072704929 is a prime.

It is not a weakly prime, because it can be changed into another prime (16072705027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8036352528 + 8036352529.

It is an arithmetic number, because the mean of its divisors is an integer number (8036352529).

Almost surely, 2^16072705057 is an apocalyptic number.

It is an amenable number.

16072705057 is a deficient number, since it is larger than the sum of its proper divisors (1).

16072705057 is an equidigital number, since it uses as much as digits as its factorization.

16072705057 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 102900, while the sum is 40.

The spelling of 16072705057 in words is "sixteen billion, seventy-two million, seven hundred five thousand, fifty-seven".