2161463304 has 192 divisors, whose sum is σ = 7385394240. Its totient is φ = 518192640.

The previous prime is 2161463281. The next prime is 2161463321. The reversal of 2161463304 is 4033641612.

It is a super-2 number, since 2×2161463304² = 9343847229077192832, 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, 161742 + ... + 174594.

It is an arithmetic number, because the mean of its divisors is an integer number (38465595).

Almost surely, 2^2161463304 is an apocalyptic number.

2161463304 is a gapful number since it is divisible by the number (24) 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 2161463304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3692697120).

2161463304 is an abundant number, since it is smaller than the sum of its proper divisors (5223930936).

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

2161463304 is a wasteful number, since it uses less digits than its factorization.

2161463304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12900 (or 12889 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 30.

The square root of 2161463304 is about 46491.5401336630. The cubic root of 2161463304 is about 1292.9526548759.

The spelling of 2161463304 in words is "two billion, one hundred sixty-one million, four hundred sixty-three thousand, three hundred four".