16461900607469 has 8 divisors (see below), whose sum is σ = 17452117537848. Its totient is φ = 15474113658880.

The previous prime is 16461900607463. The next prime is 16461900607511. The reversal of 16461900607469 is 96470600916461.

It can be written as a sum of positive squares in 4 ways, for example, as 7301139051844 + 9160761555625 = 2702062^2 + 3026675^2 .

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 16461900607469 - 2⁸ = 16461900607213 is a prime.

It is a super-2 number, since 2×16461900607469² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16461900607463) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 607481492 + ... + 607508589.

It is an arithmetic number, because the mean of its divisors is an integer number (2181514692231).

Almost surely, 2^{16461900607469} is an apocalyptic number.

It is an amenable number.

16461900607469 is a deficient number, since it is larger than the sum of its proper divisors (990216930379).

16461900607469 is a wasteful number, since it uses less digits than its factorization.

16461900607469 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1214990895.

The product of its (nonzero) digits is 11757312, while the sum is 59.

The spelling of 16461900607469 in words is "sixteen trillion, four hundred sixty-one billion, nine hundred million, six hundred seven thousand, four hundred sixty-nine".