16740623057 has 2 divisors, whose sum is σ = 16740623058. Its totient is φ = 16740623056.

The previous prime is 16740623041. The next prime is 16740623077. The reversal of 16740623057 is 75032604761.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 16016421136 + 724201921 = 126556^2 + 26911^2 .

It is a cyclic number.

It is not a de Polignac number, because 16740623057 - 2⁴ = 16740623041 is a prime.

It is not a weakly prime, because it can be changed into another prime (16740623077) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8370311528 + 8370311529.

It is an arithmetic number, because the mean of its divisors is an integer number (8370311529).

Almost surely, 2^16740623057 is an apocalyptic number.

It is an amenable number.

16740623057 is a deficient number, since it is larger than the sum of its proper divisors (1).

16740623057 is an equidigital number, since it uses as much as digits as its factorization.

16740623057 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 211680, while the sum is 41.

The spelling of 16740623057 in words is "sixteen billion, seven hundred forty million, six hundred twenty-three thousand, fifty-seven".