16416464145 has 16 divisors (see below), whose sum is σ = 26711536320. Its totient is φ = 8607049664.

The previous prime is 16416464131. The next prime is 16416464161. The reversal of 16416464145 is 54146461461.

It is a cyclic number.

It is not a de Polignac number, because 16416464145 - 2¹⁸ = 16416202001 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 16416464097 and 16416464106.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9273954 + ... + 9275723.

It is an arithmetic number, because the mean of its divisors is an integer number (1669471020).

Almost surely, 2^16416464145 is an apocalyptic number.

16416464145 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

16416464145 is a deficient number, since it is larger than the sum of its proper divisors (10295072175).

16416464145 is a wasteful number, since it uses less digits than its factorization.

16416464145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18549744.

The product of its digits is 276480, while the sum is 42.

The spelling of 16416464145 in words is "sixteen billion, four hundred sixteen million, four hundred sixty-four thousand, one hundred forty-five".