2661796999382 has 8 divisors (see below), whose sum is σ = 4068029376576. Its totient is φ = 1305787207192.

The previous prime is 2661796999339. The next prime is 2661796999387. The reversal of 2661796999382 is 2839996971662.

It is a happy number.

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 (2661796999387) 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, 12555646118 + ... + 12555646329.

It is an arithmetic number, because the mean of its divisors is an integer number (508503672072).

Almost surely, 2^{2661796999382} is an apocalyptic number.

2661796999382 is a deficient number, since it is larger than the sum of its proper divisors (1406232377194).

2661796999382 is a wasteful number, since it uses less digits than its factorization.

2661796999382 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25111292502.

The product of its digits is 952342272, while the sum is 77.

The spelling of 2661796999382 in words is "two trillion, six hundred sixty-one billion, seven hundred ninety-six million, nine hundred ninety-nine thousand, three hundred eighty-two".