16708041557 has 2 divisors, whose sum is σ = 16708041558. Its totient is φ = 16708041556.

The previous prime is 16708041529. The next prime is 16708041583. The reversal of 16708041557 is 75514080761.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13232821156 + 3475220401 = 115034^2 + 58951^2 .

It is a cyclic number.

It is not a de Polignac number, because 16708041557 - 2²⁴ = 16691264341 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16708041587) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8354020778 + 8354020779.

It is an arithmetic number, because the mean of its divisors is an integer number (8354020779).

Almost surely, 2^16708041557 is an apocalyptic number.

It is an amenable number.

16708041557 is a deficient number, since it is larger than the sum of its proper divisors (1).

16708041557 is an equidigital number, since it uses as much as digits as its factorization.

16708041557 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 235200, while the sum is 44.

The spelling of 16708041557 in words is "sixteen billion, seven hundred eight million, forty-one thousand, five hundred fifty-seven".