2663366538 has 32 divisors (see below), whose sum is σ = 6097253760. Its totient is φ = 759767040.

The previous prime is 2663366533. The next prime is 2663366549. The reversal of 2663366538 is 8356633662.

It is not an unprimeable number, because it can be changed into a prime (2663366533) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22543 + ... + 76386.

It is an arithmetic number, because the mean of its divisors is an integer number (190539180).

Almost surely, 2^2663366538 is an apocalyptic number.

2663366538 is an abundant number, since it is smaller than the sum of its proper divisors (3433887222).

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

2663366538 is a wasteful number, since it uses less digits than its factorization.

2663366538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99582.

The product of its digits is 2799360, while the sum is 48.

The square root of 2663366538 is about 51607.8146989388. The cubic root of 2663366538 is about 1386.1502672065.

The spelling of 2663366538 in words is "two billion, six hundred sixty-three million, three hundred sixty-six thousand, five hundred thirty-eight".