2072666326834 has 4 divisors (see below), whose sum is σ = 3108999490254. Its totient is φ = 1036333163416.

The previous prime is 2072666326817. The next prime is 2072666326859. The reversal of 2072666326834 is 4386236662702.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 2068117229025 + 4549097809 = 1438095^2 + 67447^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 518166581707 + ... + 518166581710.

Almost surely, 2^{2072666326834} is an apocalyptic number.

2072666326834 is a deficient number, since it is larger than the sum of its proper divisors (1036333163420).

2072666326834 is a wasteful number, since it uses less digits than its factorization.

2072666326834 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1036333163419.

The product of its (nonzero) digits is 20901888, while the sum is 55.

The spelling of 2072666326834 in words is "two trillion, seventy-two billion, six hundred sixty-six million, three hundred twenty-six thousand, eight hundred thirty-four".