11616196978 has 16 divisors (see below), whose sum is σ = 17672560416. Its totient is φ = 5725429920.

The previous prime is 11616196973. The next prime is 11616196981. The reversal of 11616196978 is 87969161611.

It is not an unprimeable number, because it can be changed into a prime (11616196973) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 261325 + ... + 302527.

It is an arithmetic number, because the mean of its divisors is an integer number (1104535026).

Almost surely, 2^11616196978 is an apocalyptic number.

11616196978 is a deficient number, since it is larger than the sum of its proper divisors (6056363438).

11616196978 is a wasteful number, since it uses less digits than its factorization.

11616196978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43209.

The product of its digits is 979776, while the sum is 55.

The spelling of 11616196978 in words is "eleven billion, six hundred sixteen million, one hundred ninety-six thousand, nine hundred seventy-eight".