121576616336 has 40 divisors (see below), whose sum is σ = 269223542400. Its totient is φ = 52100745984.

The previous prime is 121576616279. The next prime is 121576616341. The reversal of 121576616336 is 633616675121.

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, 2280740 + ... + 2333436.

It is an arithmetic number, because the mean of its divisors is an integer number (6730588560).

Almost surely, 2^121576616336 is an apocalyptic number.

121576616336 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

121576616336 is an abundant number, since it is smaller than the sum of its proper divisors (147646926064).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

121576616336 is a wasteful number, since it uses less digits than its factorization.

121576616336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73311 (or 73305 counting only the distinct ones).

The product of its digits is 816480, while the sum is 47.

The spelling of 121576616336 in words is "one hundred twenty-one billion, five hundred seventy-six million, six hundred sixteen thousand, three hundred thirty-six".