2668416081770 has 8 divisors (see below), whose sum is σ = 4803148947204. Its totient is φ = 1067366432704.

The previous prime is 2668416081743. The next prime is 2668416081811. The reversal of 2668416081770 is 771806148662.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 2614569343369 + 53846738401 = 1616963^2 + 232049^2 .

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, 133420804079 + ... + 133420804098.

Almost surely, 2^{2668416081770} is an apocalyptic number.

2668416081770 is a deficient number, since it is larger than the sum of its proper divisors (2134732865434).

2668416081770 is a wasteful number, since it uses less digits than its factorization.

2668416081770 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 266841608184.

The product of its (nonzero) digits is 5419008, while the sum is 56.

The spelling of 2668416081770 in words is "two trillion, six hundred sixty-eight billion, four hundred sixteen million, eighty-one thousand, seven hundred seventy".