2553326665694 has 8 divisors (see below), whose sum is σ = 4377131426928. Its totient is φ = 1094282856720.

The previous prime is 2553326665691. The next prime is 2553326665709. The reversal of 2553326665694 is 4965666233552.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2553326665691) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 91190238047 + ... + 91190238074.

It is an arithmetic number, because the mean of its divisors is an integer number (547141428366).

Almost surely, 2^{2553326665694} is an apocalyptic number.

2553326665694 is a deficient number, since it is larger than the sum of its proper divisors (1823804761234).

2553326665694 is a wasteful number, since it uses less digits than its factorization.

2553326665694 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182380476130.

The product of its digits is 209952000, while the sum is 62.

The spelling of 2553326665694 in words is "two trillion, five hundred fifty-three billion, three hundred twenty-six million, six hundred sixty-five thousand, six hundred ninety-four".