2331663144642 has 64 divisors (see below), whose sum is σ = 5709817196160. Its totient is φ = 700750274112.

The previous prime is 2331663144631. The next prime is 2331663144689. The reversal of 2331663144642 is 2464413661332.

It is a happy number.

2331663144642 is a `hidden beast` number, since 2 + 3 + 3 + 1 + 6 + 631 + 4 + 4 + 6 + 4 + 2 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 38591413 + ... + 38651784.

It is an arithmetic number, because the mean of its divisors is an integer number (89215893690).

Almost surely, 2^{2331663144642} is an apocalyptic number.

2331663144642 is an abundant number, since it is smaller than the sum of its proper divisors (3378154051518).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2331663144642 is a wasteful number, since it uses less digits than its factorization.

2331663144642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77243264 (or 77243258 counting only the distinct ones).

The product of its digits is 1492992, while the sum is 45.

The spelling of 2331663144642 in words is "two trillion, three hundred thirty-one billion, six hundred sixty-three million, one hundred forty-four thousand, six hundred forty-two".