2663398080 has 168 divisors, whose sum is σ = 10469770272. Its totient is φ = 608772096.

The previous prime is 2663398063. The next prime is 2663398081. The reversal of 2663398080 is 808933662.

2663398080 is a `hidden beast` number, since 2 + 6 + 633 + 9 + 8 + 0 + 8 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (168).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (2663398081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 45897 + ... + 86216.

Almost surely, 2^2663398080 is an apocalyptic number.

2663398080 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2663398080 is an abundant number, since it is smaller than the sum of its proper divisors (7806372192).

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

2663398080 is a wasteful number, since it uses less digits than its factorization.

2663398080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132143 (or 132130 counting only the distinct ones).

The product of its (nonzero) digits is 373248, while the sum is 45.

The square root of 2663398080 is about 51608.1202912875. The cubic root of 2663398080 is about 1386.1557392008.

The spelling of 2663398080 in words is "two billion, six hundred sixty-three million, three hundred ninety-eight thousand, eighty".