1161680270078 has 16 divisors (see below), whose sum is σ = 1862264803824. Its totient is φ = 541563972480.

The previous prime is 1161680270029. The next prime is 1161680270083. The reversal of 1161680270078 is 8700720861611.

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, 159655553 + ... + 159662828.

It is an arithmetic number, because the mean of its divisors is an integer number (116391550239).

Almost surely, 2^{1161680270078} is an apocalyptic number.

1161680270078 is a deficient number, since it is larger than the sum of its proper divisors (700584533746).

1161680270078 is a wasteful number, since it uses less digits than its factorization.

1161680270078 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 319318507.

The product of its (nonzero) digits is 225792, while the sum is 47.

The spelling of 1161680270078 in words is "one trillion, one hundred sixty-one billion, six hundred eighty million, two hundred seventy thousand, seventy-eight".