16472328417 has 6 divisors (see below), whose sum is σ = 23793363282. Its totient is φ = 10981552272.

The previous prime is 16472328409. The next prime is 16472328419. The reversal of 16472328417 is 71482327461.

16472328417 is a `hidden beast` number, since 164 + 72 + 3 + 2 + 8 + 417 = 666.

It can be written as a sum of positive squares in only one way, i.e., 9011515041 + 7460813376 = 94929^2 + 86376^2 .

It is not a de Polignac number, because 16472328417 - 2³ = 16472328409 is a prime.

It is not an unprimeable number, because it can be changed into a prime (16472328419) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 915129348 + ... + 915129365.

It is an arithmetic number, because the mean of its divisors is an integer number (3965560547).

Almost surely, 2^16472328417 is an apocalyptic number.

It is an amenable number.

16472328417 is a deficient number, since it is larger than the sum of its proper divisors (7321034865).

16472328417 is a wasteful number, since it uses less digits than its factorization.

16472328417 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1830258719 (or 1830258716 counting only the distinct ones).

The product of its digits is 451584, while the sum is 45.

The spelling of 16472328417 in words is "sixteen billion, four hundred seventy-two million, three hundred twenty-eight thousand, four hundred seventeen".