16738182977 has 2 divisors, whose sum is σ = 16738182978. Its totient is φ = 16738182976.

The previous prime is 16738182973. The next prime is 16738183027. The reversal of 16738182977 is 77928183761.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 15592766641 + 1145416336 = 124871^2 + 33844^2 .

It is a cyclic number.

It is not a de Polignac number, because 16738182977 - 2² = 16738182973 is a prime.

It is not a weakly prime, because it can be changed into another prime (16738182973) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8369091488 + 8369091489.

It is an arithmetic number, because the mean of its divisors is an integer number (8369091489).

Almost surely, 2^16738182977 is an apocalyptic number.

It is an amenable number.

16738182977 is a deficient number, since it is larger than the sum of its proper divisors (1).

16738182977 is an equidigital number, since it uses as much as digits as its factorization.

16738182977 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7112448, while the sum is 59.

The spelling of 16738182977 in words is "sixteen billion, seven hundred thirty-eight million, one hundred eighty-two thousand, nine hundred seventy-seven".