1161161610004 has 96 divisors (see below), whose sum is σ = 2259690048000. Its totient is φ = 517692240000.

The previous prime is 1161161609977. The next prime is 1161161610013. The reversal of 1161161610004 is 4000161611611.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 430217847 + ... + 430220545.

It is an arithmetic number, because the mean of its divisors is an integer number (23538438000).

Almost surely, 2^{1161161610004} is an apocalyptic number.

It is an amenable number.

1161161610004 is a deficient number, since it is larger than the sum of its proper divisors (1098528437996).

1161161610004 is a wasteful number, since it uses less digits than its factorization.

1161161610004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3685 (or 3683 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 28.

The spelling of 1161161610004 in words is "one trillion, one hundred sixty-one billion, one hundred sixty-one million, six hundred ten thousand, four".