121167547664 has 20 divisors (see below), whose sum is σ = 236451064080. Its totient is φ = 60147918240.

The previous prime is 121167547643. The next prime is 121167547673. The reversal of 121167547664 is 466745761121.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27238682 + ... + 27243129.

It is an arithmetic number, because the mean of its divisors is an integer number (11822553204).

Almost surely, 2^121167547664 is an apocalyptic number.

It is an amenable number.

121167547664 is a deficient number, since it is larger than the sum of its proper divisors (115283516416).

121167547664 is a wasteful number, since it uses less digits than its factorization.

121167547664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54481958 (or 54481952 counting only the distinct ones).

The product of its digits is 1693440, while the sum is 50.

The spelling of 121167547664 in words is "one hundred twenty-one billion, one hundred sixty-seven million, five hundred forty-seven thousand, six hundred sixty-four".