27716130661 has 16 divisors (see below), whose sum is σ = 30145815040. Its totient is φ = 25385218560.

The previous prime is 27716130653. The next prime is 27716130671. The reversal of 27716130661 is 16603161772.

It is a cyclic number.

It is not a de Polignac number, because 27716130661 - 2³ = 27716130653 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27716130671) 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, 585661 + ... + 631213.

It is an arithmetic number, because the mean of its divisors is an integer number (1884113440).

Almost surely, 2^27716130661 is an apocalyptic number.

It is an amenable number.

27716130661 is a deficient number, since it is larger than the sum of its proper divisors (2429684379).

27716130661 is a wasteful number, since it uses less digits than its factorization.

27716130661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46636.

The product of its (nonzero) digits is 63504, while the sum is 40.

The spelling of 27716130661 in words is "twenty-seven billion, seven hundred sixteen million, one hundred thirty thousand, six hundred sixty-one".