16525648833403 has 2 divisors, whose sum is σ = 16525648833404. Its totient is φ = 16525648833402.

The previous prime is 16525648833367. The next prime is 16525648833461. The reversal of 16525648833403 is 30433884652561.

It is an a-pointer prime, because the next prime (16525648833461) can be obtained adding 16525648833403 to its sum of digits (58).

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16525648833403 is a prime.

It is not a weakly prime, because it can be changed into another prime (16525648833493) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8262824416701 + 8262824416702.

It is an arithmetic number, because the mean of its divisors is an integer number (8262824416702).

Almost surely, 2^{16525648833403} is an apocalyptic number.

16525648833403 is a deficient number, since it is larger than the sum of its proper divisors (1).

16525648833403 is an equidigital number, since it uses as much as digits as its factorization.

16525648833403 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 49766400, while the sum is 58.

The spelling of 16525648833403 in words is "sixteen trillion, five hundred twenty-five billion, six hundred forty-eight million, eight hundred thirty-three thousand, four hundred three".