16465144352 has 24 divisors (see below), whose sum is σ = 32426666496. Its totient is φ = 8229800512.

The previous prime is 16465144349. The next prime is 16465144369. The reversal of 16465144352 is 25344156461.

It is a super-2 number, since 2×16465144352² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11633 + ... + 181839.

It is an arithmetic number, because the mean of its divisors is an integer number (1351111104).

Almost surely, 2^16465144352 is an apocalyptic number.

It is an amenable number.

16465144352 is a deficient number, since it is larger than the sum of its proper divisors (15961522144).

16465144352 is a wasteful number, since it uses less digits than its factorization.

16465144352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 173240 (or 173232 counting only the distinct ones).

The product of its digits is 345600, while the sum is 41.

The spelling of 16465144352 in words is "sixteen billion, four hundred sixty-five million, one hundred forty-four thousand, three hundred fifty-two".