16514425633 has 2 divisors, whose sum is σ = 16514425634. Its totient is φ = 16514425632.

The previous prime is 16514425601. The next prime is 16514425649. The reversal of 16514425633 is 33652441561.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12591532944 + 3922892689 = 112212^2 + 62633^2 .

It is a cyclic number.

It is not a de Polignac number, because 16514425633 - 2⁵ = 16514425601 is a prime.

It is a super-3 number, since 3×16514425633³ (a number of 32 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (16514425693) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8257212816 + 8257212817.

It is an arithmetic number, because the mean of its divisors is an integer number (8257212817).

Almost surely, 2^16514425633 is an apocalyptic number.

It is an amenable number.

16514425633 is a deficient number, since it is larger than the sum of its proper divisors (1).

16514425633 is an equidigital number, since it uses as much as digits as its factorization.

16514425633 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 259200, while the sum is 40.

The spelling of 16514425633 in words is "sixteen billion, five hundred fourteen million, four hundred twenty-five thousand, six hundred thirty-three".