12416557073 has 4 divisors (see below), whose sum is σ = 12416985408. Its totient is φ = 12416128740.

The previous prime is 12416557037. The next prime is 12416557093. The reversal of 12416557073 is 37075561421.

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: 37075561421 = 103 ⋅359956907.

It is a cyclic number.

It is not a de Polignac number, because 12416557073 - 2⁶ = 12416557009 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12416557073.

It is not an unprimeable number, because it can be changed into a prime (12416557093) 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, 167261 + ... + 229802.

It is an arithmetic number, because the mean of its divisors is an integer number (3104246352).

Almost surely, 2^12416557073 is an apocalyptic number.

It is an amenable number.

12416557073 is a deficient number, since it is larger than the sum of its proper divisors (428335).

12416557073 is an equidigital number, since it uses as much as digits as its factorization.

12416557073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 428334.

The product of its (nonzero) digits is 176400, while the sum is 41.

The spelling of 12416557073 in words is "twelve billion, four hundred sixteen million, five hundred fifty-seven thousand, seventy-three".