53661336167363 has 4 divisors (see below), whose sum is σ = 53664380454360. Its totient is φ = 53658291880368.

The previous prime is 53661336167311. The next prime is 53661336167371. The reversal of 53661336167363 is 36376163316635.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 53661336167363 - 2²⁶ = 53661269058499 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53661336166363) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1522117058 + ... + 1522152311.

It is an arithmetic number, because the mean of its divisors is an integer number (13416095113590).

Almost surely, 2^{53661336167363} is an apocalyptic number.

53661336167363 is a deficient number, since it is larger than the sum of its proper divisors (3044286997).

53661336167363 is a wasteful number, since it uses less digits than its factorization.

53661336167363 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3044286996.

The product of its digits is 66134880, while the sum is 59.

The spelling of 53661336167363 in words is "fifty-three trillion, six hundred sixty-one billion, three hundred thirty-six million, one hundred sixty-seven thousand, three hundred sixty-three".