27666161270 has 16 divisors (see below), whose sum is σ = 54326280528. Its totient is φ = 10060422240.

The previous prime is 27666161251. The next prime is 27666161287. The reversal of 27666161270 is 7216166672.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 125755169 + ... + 125755388.

It is an arithmetic number, because the mean of its divisors is an integer number (3395392533).

Almost surely, 2^27666161270 is an apocalyptic number.

27666161270 is a deficient number, since it is larger than the sum of its proper divisors (26660119258).

27666161270 is a wasteful number, since it uses less digits than its factorization.

27666161270 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 251510575.

The product of its (nonzero) digits is 254016, while the sum is 44.

The spelling of 27666161270 in words is "twenty-seven billion, six hundred sixty-six million, one hundred sixty-one thousand, two hundred seventy".