16121053363 has 2 divisors, whose sum is σ = 16121053364. Its totient is φ = 16121053362.

The previous prime is 16121053321. The next prime is 16121053381. The reversal of 16121053363 is 36335012161.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16121053363 is a prime.

It is not a weakly prime, because it can be changed into another prime (16121053313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8060526681 + 8060526682.

It is an arithmetic number, because the mean of its divisors is an integer number (8060526682).

Almost surely, 2^16121053363 is an apocalyptic number.

16121053363 is a deficient number, since it is larger than the sum of its proper divisors (1).

16121053363 is an equidigital number, since it uses as much as digits as its factorization.

16121053363 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9720, while the sum is 31.

The spelling of 16121053363 in words is "sixteen billion, one hundred twenty-one million, fifty-three thousand, three hundred sixty-three".