16000494577 has 2 divisors, whose sum is σ = 16000494578. Its totient is φ = 16000494576.

The previous prime is 16000494551. The next prime is 16000494599. The reversal of 16000494577 is 77549400061.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 15942597696 + 57896881 = 126264^2 + 7609^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16000494577 is a prime.

It is not a weakly prime, because it can be changed into another prime (16000474577) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8000247288 + 8000247289.

It is an arithmetic number, because the mean of its divisors is an integer number (8000247289).

Almost surely, 2^16000494577 is an apocalyptic number.

It is an amenable number.

16000494577 is a deficient number, since it is larger than the sum of its proper divisors (1).

16000494577 is an equidigital number, since it uses as much as digits as its factorization.

16000494577 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 43.

The spelling of 16000494577 in words is "sixteen billion, four hundred ninety-four thousand, five hundred seventy-seven".