16465144354 has 8 divisors (see below), whose sum is σ = 24699594348. Its totient is φ = 8231946240.

The previous prime is 16465144349. The next prime is 16465144369. The reversal of 16465144354 is 45344156461.

It can be written as a sum of positive squares in 2 ways, for example, as 12138530625 + 4326613729 = 110175^2 + 65777^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×16465144354² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 16465144354.

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, 279367 + ... + 333130.

Almost surely, 2^16465144354 is an apocalyptic number.

16465144354 is a deficient number, since it is larger than the sum of its proper divisors (8234449994).

16465144354 is a wasteful number, since it uses less digits than its factorization.

16465144354 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 625940.

The product of its digits is 691200, while the sum is 43.

The spelling of 16465144354 in words is "sixteen billion, four hundred sixty-five million, one hundred forty-four thousand, three hundred fifty-four".