16181050651 has 2 divisors, whose sum is σ = 16181050652. Its totient is φ = 16181050650.

The previous prime is 16181050607. The next prime is 16181050663. The reversal of 16181050651 is 15605018161.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16181050651 is a prime.

It is a super-3 number, since 3×16181050651³ (a number of 32 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (16181051651) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8090525325 + 8090525326.

It is an arithmetic number, because the mean of its divisors is an integer number (8090525326).

Almost surely, 2^16181050651 is an apocalyptic number.

16181050651 is a deficient number, since it is larger than the sum of its proper divisors (1).

16181050651 is an equidigital number, since it uses as much as digits as its factorization.

16181050651 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7200, while the sum is 34.

The spelling of 16181050651 in words is "sixteen billion, one hundred eighty-one million, fifty thousand, six hundred fifty-one".