273866004666 has 20 divisors (see below), whose sum is σ = 613662714522. Its totient is φ = 91288668168.

The previous prime is 273866004653. The next prime is 273866004667. The reversal of 273866004666 is 666400668372.

273866004666 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 271123283025 + 2742721641 = 520695^2 + 52371^2 .

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (273866004667) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 845265285 + ... + 845265608.

Almost surely, 2^273866004666 is an apocalyptic number.

273866004666 is an abundant number, since it is smaller than the sum of its proper divisors (339796709856).

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

273866004666 is a wasteful number, since it uses less digits than its factorization.

273866004666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1690530907 (or 1690530898 counting only the distinct ones).

The product of its (nonzero) digits is 10450944, while the sum is 54.

The spelling of 273866004666 in words is "two hundred seventy-three billion, eight hundred sixty-six million, four thousand, six hundred sixty-six".