16986772003 has 2 divisors, whose sum is σ = 16986772004. Its totient is φ = 16986772002.

The previous prime is 16986771979. The next prime is 16986772009. The reversal of 16986772003 is 30027768961.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 16986772003 - 2²¹ = 16984674851 is a prime.

It is not a weakly prime, because it can be changed into another prime (16986772009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8493386001 + 8493386002.

It is an arithmetic number, because the mean of its divisors is an integer number (8493386002).

Almost surely, 2^16986772003 is an apocalyptic number.

16986772003 is a deficient number, since it is larger than the sum of its proper divisors (1).

16986772003 is an equidigital number, since it uses as much as digits as its factorization.

16986772003 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 762048, while the sum is 49.

The spelling of 16986772003 in words is "sixteen billion, nine hundred eighty-six million, seven hundred seventy-two thousand, three".