2769634381666 has 8 divisors (see below), whose sum is σ = 4373106918480. Its totient is φ = 1311932075508.

The previous prime is 2769634381643. The next prime is 2769634381681. The reversal of 2769634381666 is 6661834369672.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36442557616 + ... + 36442557691.

It is an arithmetic number, because the mean of its divisors is an integer number (546638364810).

Almost surely, 2^{2769634381666} is an apocalyptic number.

2769634381666 is a deficient number, since it is larger than the sum of its proper divisors (1603472536814).

2769634381666 is a wasteful number, since it uses less digits than its factorization.

2769634381666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72885115328.

The product of its digits is 282175488, while the sum is 67.

The spelling of 2769634381666 in words is "two trillion, seven hundred sixty-nine billion, six hundred thirty-four million, three hundred eighty-one thousand, six hundred sixty-six".