16727502157 has 2 divisors, whose sum is σ = 16727502158. Its totient is φ = 16727502156.

The previous prime is 16727502139. The next prime is 16727502191. The reversal of 16727502157 is 75120572761.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12820127076 + 3907375081 = 113226^2 + 62509^2 .

It is a cyclic number.

It is not a de Polignac number, because 16727502157 - 2¹⁵ = 16727469389 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16727508157) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8363751078 + 8363751079.

It is an arithmetic number, because the mean of its divisors is an integer number (8363751079).

Almost surely, 2^16727502157 is an apocalyptic number.

It is an amenable number.

16727502157 is a deficient number, since it is larger than the sum of its proper divisors (1).

16727502157 is an equidigital number, since it uses as much as digits as its factorization.

16727502157 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 205800, while the sum is 43.

The spelling of 16727502157 in words is "sixteen billion, seven hundred twenty-seven million, five hundred two thousand, one hundred fifty-seven".