16304261145 has 32 divisors (see below), whose sum is σ = 27630512640. Its totient is φ = 8181381120.

The previous prime is 16304261119. The next prime is 16304261173. The reversal of 16304261145 is 54116240361.

It is a de Polignac number, because none of the positive numbers 2^k-16304261145 is a prime.

It is a super-2 number, since 2×16304261145² (a number of 21 digits) contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 917101 + ... + 934709.

It is an arithmetic number, because the mean of its divisors is an integer number (863453520).

Almost surely, 2^16304261145 is an apocalyptic number.

16304261145 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

16304261145 is a deficient number, since it is larger than the sum of its proper divisors (11326251495).

16304261145 is a wasteful number, since it uses less digits than its factorization.

16304261145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21265.

The product of its (nonzero) digits is 17280, while the sum is 33.

The spelling of 16304261145 in words is "sixteen billion, three hundred four million, two hundred sixty-one thousand, one hundred forty-five".