121610166534043 has 8 divisors (see below), whose sum is σ = 132665857010496. Its totient is φ = 110554512856200.

The previous prime is 121610166534013. The next prime is 121610166534097. The reversal of 121610166534043 is 340435661016121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 121610166534043 - 2⁴¹ = 119411143278491 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121610166534013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2047993 + ... + 15729418.

It is an arithmetic number, because the mean of its divisors is an integer number (16583232126312).

Almost surely, 2^{121610166534043} is an apocalyptic number.

121610166534043 is a deficient number, since it is larger than the sum of its proper divisors (11055690476453).

121610166534043 is a wasteful number, since it uses less digits than its factorization.

121610166534043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18399305.

The product of its (nonzero) digits is 311040, while the sum is 43.

The spelling of 121610166534043 in words is "one hundred twenty-one trillion, six hundred ten billion, one hundred sixty-six million, five hundred thirty-four thousand, forty-three".