121163676534 has 12 divisors (see below), whose sum is σ = 262521299196. Its totient is φ = 40387892172.

The previous prime is 121163676527. The next prime is 121163676539. The reversal of 121163676534 is 435676361121.

121163676534 is a `hidden beast` number, since 1 + 2 + 1 + 1 + 636 + 7 + 6 + 5 + 3 + 4 = 666.

It is a super-2 number, since 2×121163676534² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 121163676534.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121163676539) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3365657664 + ... + 3365657699.

It is an arithmetic number, because the mean of its divisors is an integer number (21876774933).

Almost surely, 2^121163676534 is an apocalyptic number.

121163676534 is an abundant number, since it is smaller than the sum of its proper divisors (141357622662).

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

121163676534 is a wasteful number, since it uses less digits than its factorization.

121163676534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6731315371 (or 6731315368 counting only the distinct ones).

The product of its digits is 544320, while the sum is 45.

The spelling of 121163676534 in words is "one hundred twenty-one billion, one hundred sixty-three million, six hundred seventy-six thousand, five hundred thirty-four".