121624361057168 has 10 divisors (see below), whose sum is σ = 235647199548294. Its totient is φ = 60812180528576.

The previous prime is 121624361057131. The next prime is 121624361057207. The reversal of 121624361057168 is 861750163426121.

It can be written as a sum of positive squares in only one way, i.e., 83737726292224 + 37886634764944 = 9150832^2 + 6155212^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3800761283021 + ... + 3800761283052.

Almost surely, 2^{121624361057168} is an apocalyptic number.

It is an amenable number.

121624361057168 is a deficient number, since it is larger than the sum of its proper divisors (114022838491126).

121624361057168 is an equidigital number, since it uses as much as digits as its factorization.

121624361057168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7601522566081 (or 7601522566075 counting only the distinct ones).

The product of its (nonzero) digits is 2903040, while the sum is 53.

The spelling of 121624361057168 in words is "one hundred twenty-one trillion, six hundred twenty-four billion, three hundred sixty-one million, fifty-seven thousand, one hundred sixty-eight".