16761174137 has 4 divisors (see below), whose sum is σ = 16768649040. Its totient is φ = 16753699236.

The previous prime is 16761174113. The next prime is 16761174139. The reversal of 16761174137 is 73147116761.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 73147116761 = 254141 ⋅287821.

It is a cyclic number.

It is not a de Polignac number, because 16761174137 - 2¹⁰ = 16761173113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16761174139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3734087 + ... + 3738572.

It is an arithmetic number, because the mean of its divisors is an integer number (4192162260).

Almost surely, 2^16761174137 is an apocalyptic number.

It is an amenable number.

16761174137 is a deficient number, since it is larger than the sum of its proper divisors (7474903).

16761174137 is an equidigital number, since it uses as much as digits as its factorization.

16761174137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7474902.

The product of its digits is 148176, while the sum is 44.

The spelling of 16761174137 in words is "sixteen billion, seven hundred sixty-one million, one hundred seventy-four thousand, one hundred thirty-seven".