16004646123 has 8 divisors (see below), whose sum is σ = 21433535808. Its totient is φ = 10622760264.

The previous prime is 16004646113. The next prime is 16004646137. The reversal of 16004646123 is 32164640061.

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

It is not a de Polignac number, because 16004646123 - 2⁶ = 16004646059 is a prime.

It is a super-2 number, since 2×16004646123² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (16004646113) 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, 11750161 + ... + 11751522.

It is an arithmetic number, because the mean of its divisors is an integer number (2679191976).

Almost surely, 2^16004646123 is an apocalyptic number.

16004646123 is a deficient number, since it is larger than the sum of its proper divisors (5428889685).

16004646123 is a wasteful number, since it uses less digits than its factorization.

16004646123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23501913.

The product of its (nonzero) digits is 20736, while the sum is 33.

The spelling of 16004646123 in words is "sixteen billion, four million, six hundred forty-six thousand, one hundred twenty-three".