16505550151 has 2 divisors, whose sum is σ = 16505550152. Its totient is φ = 16505550150.

The previous prime is 16505550049. The next prime is 16505550161. The reversal of 16505550151 is 15105550561.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 16505550151 - 2⁷ = 16505550023 is a prime.

It is a super-2 number, since 2×16505550151² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16505550161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8252775075 + 8252775076.

It is an arithmetic number, because the mean of its divisors is an integer number (8252775076).

Almost surely, 2^16505550151 is an apocalyptic number.

16505550151 is a deficient number, since it is larger than the sum of its proper divisors (1).

16505550151 is an equidigital number, since it uses as much as digits as its factorization.

16505550151 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18750, while the sum is 34.

The spelling of 16505550151 in words is "sixteen billion, five hundred five million, five hundred fifty thousand, one hundred fifty-one".