16082121631 has 2 divisors, whose sum is σ = 16082121632. Its totient is φ = 16082121630.

The previous prime is 16082121611. The next prime is 16082121637. The reversal of 16082121631 is 13612128061.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 16082121631 - 2¹⁵ = 16082088863 is a prime.

It is a super-2 number, since 2×16082121631² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 16082121593 and 16082121602.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16082121637) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8041060815 + 8041060816.

It is an arithmetic number, because the mean of its divisors is an integer number (8041060816).

Almost surely, 2^16082121631 is an apocalyptic number.

16082121631 is a deficient number, since it is larger than the sum of its proper divisors (1).

16082121631 is an equidigital number, since it uses as much as digits as its factorization.

16082121631 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3456, while the sum is 31.

Adding to 16082121631 its reverse (13612128061), we get a palindrome (29694249692).

The spelling of 16082121631 in words is "sixteen billion, eighty-two million, one hundred twenty-one thousand, six hundred thirty-one".