16487926801 has 2 divisors, whose sum is σ = 16487926802. Its totient is φ = 16487926800.

The previous prime is 16487926789. The next prime is 16487926883. The reversal of 16487926801 is 10862978461.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11911539600 + 4576387201 = 109140^2 + 67649^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16487926801 is a prime.

It is not a weakly prime, because it can be changed into another prime (16487926501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8243963400 + 8243963401.

It is an arithmetic number, because the mean of its divisors is an integer number (8243963401).

Almost surely, 2^16487926801 is an apocalyptic number.

It is an amenable number.

16487926801 is a deficient number, since it is larger than the sum of its proper divisors (1).

16487926801 is an equidigital number, since it uses as much as digits as its factorization.

16487926801 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1161216, while the sum is 52.

The spelling of 16487926801 in words is "sixteen billion, four hundred eighty-seven million, nine hundred twenty-six thousand, eight hundred one".