16465163601 has 8 divisors (see below), whose sum is σ = 21980691360. Its totient is φ = 10963205792.

The previous prime is 16465163597. The next prime is 16465163633. The reversal of 16465163601 is 10636156461.

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 16465163601 - 2² = 16465163597 is a prime.

It is a super-2 number, since 2×16465163601² (a number of 21 digits) contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 16465163601.

It is not an unprimeable number, because it can be changed into a prime (16465162601) 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 7 ways as a sum of consecutive naturals, for example, 3389655 + ... + 3394508.

It is an arithmetic number, because the mean of its divisors is an integer number (2747586420).

Almost surely, 2^16465163601 is an apocalyptic number.

It is an amenable number.

16465163601 is a deficient number, since it is larger than the sum of its proper divisors (5515527759).

16465163601 is an equidigital number, since it uses as much as digits as its factorization.

16465163601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6784975.

The product of its (nonzero) digits is 77760, while the sum is 39.

The spelling of 16465163601 in words is "sixteen billion, four hundred sixty-five million, one hundred sixty-three thousand, six hundred one".