2645372160 has 216 divisors, whose sum is σ = 9196834920. Its totient is φ = 702038016.

The previous prime is 2645372143. The next prime is 2645372161. The reversal of 2645372160 is 612735462.

2645372160 is a `hidden beast` number, since 2 + 64 + 537 + 2 + 1 + 60 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 85821696 + 2559550464 = 9264^2 + 50592^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2645372161) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3190626 + ... + 3191454.

Almost surely, 2^2645372160 is an apocalyptic number.

2645372160 is a gapful number since it is divisible by the number (20) 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 2645372160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4598417460).

2645372160 is an abundant number, since it is smaller than the sum of its proper divisors (6551462760).

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

2645372160 is a wasteful number, since it uses less digits than its factorization.

2645372160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1133 (or 1116 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 36.

The square root of 2645372160 is about 51433.1815076610. The cubic root of 2645372160 is about 1383.0214830334.

The spelling of 2645372160 in words is "two billion, six hundred forty-five million, three hundred seventy-two thousand, one hundred sixty".