66660270254 has 8 divisors (see below), whose sum is σ = 99998987400. Its totient is φ = 33327274456.

The previous prime is 66660270221. The next prime is 66660270311. The reversal of 66660270254 is 45207206666.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1401089 + ... + 1447884.

It is an arithmetic number, because the mean of its divisors is an integer number (12499873425).

Almost surely, 2^66660270254 is an apocalyptic number.

66660270254 is a deficient number, since it is larger than the sum of its proper divisors (33338717146).

66660270254 is a wasteful number, since it uses less digits than its factorization.

66660270254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2860674.

The product of its (nonzero) digits is 725760, while the sum is 44.

The spelling of 66660270254 in words is "sixty-six billion, six hundred sixty million, two hundred seventy thousand, two hundred fifty-four".