4512161472 has 336 divisors, whose sum is σ = 15177576960. Its totient is φ = 1172441088.

The previous prime is 4512161461. The next prime is 4512161491. The reversal of 4512161472 is 2741612154.

It is a tau number, because it is divible by the number of its divisors (336).

It is a super-2 number, since 2×4512161472² = 40719202298802413568, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 9661783 + ... + 9662249.

It is an arithmetic number, because the mean of its divisors is an integer number (45171360).

Almost surely, 2^4512161472 is an apocalyptic number.

4512161472 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4512161472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7588788480).

4512161472 is an abundant number, since it is smaller than the sum of its proper divisors (10665415488).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4512161472 is a wasteful number, since it uses less digits than its factorization.

4512161472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 588 (or 571 counting only the distinct ones).

The product of its digits is 13440, while the sum is 33.

The square root of 4512161472 is about 67172.6244239422. The cubic root of 4512161472 is about 1652.4495568625.

The spelling of 4512161472 in words is "four billion, five hundred twelve million, one hundred sixty-one thousand, four hundred seventy-two".