16502034977 has 2 divisors, whose sum is σ = 16502034978. Its totient is φ = 16502034976.

The previous prime is 16502034973. The next prime is 16502035013. The reversal of 16502034977 is 77943020561.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 14388242401 + 2113792576 = 119951^2 + 45976^2 .

It is a cyclic number.

It is not a de Polignac number, because 16502034977 - 2² = 16502034973 is a prime.

It is not a weakly prime, because it can be changed into another prime (16502034973) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8251017488 + 8251017489.

It is an arithmetic number, because the mean of its divisors is an integer number (8251017489).

Almost surely, 2^16502034977 is an apocalyptic number.

It is an amenable number.

16502034977 is a deficient number, since it is larger than the sum of its proper divisors (1).

16502034977 is an equidigital number, since it uses as much as digits as its factorization.

16502034977 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 317520, while the sum is 44.

The spelling of 16502034977 in words is "sixteen billion, five hundred two million, thirty-four thousand, nine hundred seventy-seven".