2518634016 has 72 divisors (see below), whose sum is σ = 7210557900. Its totient is φ = 833895936.

The previous prime is 2518634011. The next prime is 2518634023. The reversal of 2518634016 is 6104368152.

It is a happy number.

2518634016 is a `hidden beast` number, since 2 + 5 + 1 + 8 + 634 + 0 + 16 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 2379488400 + 139145616 = 48780^2 + 11796^2 .

It is a tau number, because it is divible by the number of its divisors (72).

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

It is not an unprimeable number, because it can be changed into a prime (2518634011) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13566 + ... + 72258.

Almost surely, 2^2518634016 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 2518634016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3605278950).

2518634016 is an abundant number, since it is smaller than the sum of its proper divisors (4691923884).

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

2518634016 is a wasteful number, since it uses less digits than its factorization.

2518634016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58858 (or 58847 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

The square root of 2518634016 is about 50185.9942214957. The cubic root of 2518634016 is about 1360.5724983014.

The spelling of 2518634016 in words is "two billion, five hundred eighteen million, six hundred thirty-four thousand, sixteen".