16076578049 has 4 divisors (see below), whose sum is σ = 18373232064. Its totient is φ = 13779924036.

The previous prime is 16076577989. The next prime is 16076578057. The reversal of 16076578049 is 94087567061.

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: 94087567061 = 23297 ⋅4038613.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16076578049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16076578079) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1148326997 + ... + 1148327010.

It is an arithmetic number, because the mean of its divisors is an integer number (4593308016).

Almost surely, 2^16076578049 is an apocalyptic number.

It is an amenable number.

16076578049 is a deficient number, since it is larger than the sum of its proper divisors (2296654015).

16076578049 is an equidigital number, since it uses as much as digits as its factorization.

16076578049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2296654014.

The product of its (nonzero) digits is 2540160, while the sum is 53.

The spelling of 16076578049 in words is "sixteen billion, seventy-six million, five hundred seventy-eight thousand, forty-nine".