1612004673 has 4 divisors (see below), whose sum is σ = 2149339568. Its totient is φ = 1074669780.

The previous prime is 1612004663. The next prime is 1612004711. The reversal of 1612004673 is 3764002161.

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.

It is not a de Polignac number, because 1612004673 - 2¹⁶ = 1611939137 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 1612004673.

It is not an unprimeable number, because it can be changed into a prime (1612004633) 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, 268667443 + ... + 268667448.

It is an arithmetic number, because the mean of its divisors is an integer number (537334892).

Almost surely, 2^1612004673 is an apocalyptic number.

It is an amenable number.

1612004673 is a deficient number, since it is larger than the sum of its proper divisors (537334895).

1612004673 is an equidigital number, since it uses as much as digits as its factorization.

1612004673 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 537334894.

The product of its (nonzero) digits is 6048, while the sum is 30.

The square root of 1612004673 is about 40149.7779944049. Note that the first 3 decimals coincide. The cubic root of 1612004673 is about 1172.5249662883.

The spelling of 1612004673 in words is "one billion, six hundred twelve million, four thousand, six hundred seventy-three".