2154966336 has 112 divisors (see below), whose sum is σ = 6553809600. Its totient is φ = 693536256.

The previous prime is 2154966323. The next prime is 2154966343. The reversal of 2154966336 is 6336694512.

2154966336 is a `hidden beast` number, since 2 + 1 + 5 + 4 + 9 + 6 + 633 + 6 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 2154966291 and 2154966300.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28611 + ... + 71613.

Almost surely, 2^2154966336 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2154966336, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3276904800).

2154966336 is an abundant number, since it is smaller than the sum of its proper divisors (4398843264).

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

2154966336 is a wasteful number, since it uses less digits than its factorization.

2154966336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43053 (or 43037 counting only the distinct ones).

The product of its digits is 699840, while the sum is 45.

The square root of 2154966336 is about 46421.6149654447. The cubic root of 2154966336 is about 1291.6558940723.

The spelling of 2154966336 in words is "two billion, one hundred fifty-four million, nine hundred sixty-six thousand, three hundred thirty-six".