2666550038 has 4 divisors (see below), whose sum is σ = 3999825060. Its totient is φ = 1333275018.

The previous prime is 2666550037. The next prime is 2666550067. The reversal of 2666550038 is 8300556662.

2666550038 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×2666550038² = 14220978210315602888, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2666549977 and 2666550004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2666550031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 666637508 + ... + 666637511.

It is an arithmetic number, because the mean of its divisors is an integer number (999956265).

Almost surely, 2^2666550038 is an apocalyptic number.

2666550038 is a deficient number, since it is larger than the sum of its proper divisors (1333275022).

2666550038 is a wasteful number, since it uses less digits than its factorization.

2666550038 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1333275021.

The product of its (nonzero) digits is 259200, while the sum is 41.

The square root of 2666550038 is about 51638.6486848756. The cubic root of 2666550038 is about 1386.7023319563.

The spelling of 2666550038 in words is "two billion, six hundred sixty-six million, five hundred fifty thousand, thirty-eight".