16604104720007 has 8 divisors (see below), whose sum is σ = 19026993998496. Its totient is φ = 14193934021152.

The previous prime is 16604104719973. The next prime is 16604104720009. The reversal of 16604104720007 is 70002740140661.

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 16604104720007 - 2¹⁰ = 16604104718983 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16604104720009) 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, 3179642108 + ... + 3179647329.

It is an arithmetic number, because the mean of its divisors is an integer number (2378374249812).

Almost surely, 2^{16604104720007} is an apocalyptic number.

16604104720007 is a deficient number, since it is larger than the sum of its proper divisors (2422889278489).

16604104720007 is an equidigital number, since it uses as much as digits as its factorization.

16604104720007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6359289817.

The product of its (nonzero) digits is 56448, while the sum is 38.

Adding to 16604104720007 its reverse (70002740140661), we get a palindrome (86606844860668).

The spelling of 16604104720007 in words is "sixteen trillion, six hundred four billion, one hundred four million, seven hundred twenty thousand, seven".