2663518960 has 20 divisors (see below), whose sum is σ = 6192681768. Its totient is φ = 1065407552.

The previous prime is 2663518927. The next prime is 2663518961. The reversal of 2663518960 is 698153662.

It is a tau number, because it is divible by the number of its divisors (20).

It is a self number, because there is not a number n which added to its sum of digits gives 2663518960.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2663518961) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16646914 + ... + 16647073.

Almost surely, 2^2663518960 is an apocalyptic number.

2663518960 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2663518960 is an abundant number, since it is smaller than the sum of its proper divisors (3529162808).

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

2663518960 is a wasteful number, since it uses less digits than its factorization.

2663518960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33294000 (or 33293994 counting only the distinct ones).

The product of its (nonzero) digits is 466560, while the sum is 46.

The square root of 2663518960 is about 51609.2914115278. The cubic root of 2663518960 is about 1386.1767094007.

The spelling of 2663518960 in words is "two billion, six hundred sixty-three million, five hundred eighteen thousand, nine hundred sixty".