16761009049 has 8 divisors (see below), whose sum is σ = 17651450880. Its totient is φ = 15871395600.

The previous prime is 16761009047. The next prime is 16761009071. The reversal of 16761009049 is 94090016761.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 16761009049 - 2¹ = 16761009047 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 16761008996 and 16761009014.

It is not an unprimeable number, because it can be changed into a prime (16761009047) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 165337 + ... + 246694.

It is an arithmetic number, because the mean of its divisors is an integer number (2206431360).

Almost surely, 2^16761009049 is an apocalyptic number.

16761009049 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

16761009049 is a deficient number, since it is larger than the sum of its proper divisors (890441831).

16761009049 is a wasteful number, since it uses less digits than its factorization.

16761009049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 414191.

The product of its (nonzero) digits is 81648, while the sum is 43.

The spelling of 16761009049 in words is "sixteen billion, seven hundred sixty-one million, nine thousand, forty-nine".