6121661604023 has 8 divisors (see below), whose sum is σ = 6998449585440. Its totient is φ = 5245439846400.

The previous prime is 6121661603909. The next prime is 6121661604059. The reversal of 6121661604023 is 3204061661216.

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 6121661604023 - 2⁸ = 6121661603767 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6121661604073) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 141532778 + ... + 141576023.

It is an arithmetic number, because the mean of its divisors is an integer number (874806198180).

Almost surely, 2^{6121661604023} is an apocalyptic number.

6121661604023 is a deficient number, since it is larger than the sum of its proper divisors (876787981417).

6121661604023 is a wasteful number, since it uses less digits than its factorization.

6121661604023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 283111897.

The product of its (nonzero) digits is 62208, while the sum is 38.

The spelling of 6121661604023 in words is "six trillion, one hundred twenty-one billion, six hundred sixty-one million, six hundred four thousand, twenty-three".