2066147774 has 8 divisors (see below), whose sum is σ = 3103395120. Its totient is φ = 1031682736.

The previous prime is 2066147767. The next prime is 2066147791. The reversal of 2066147774 is 4777416602.

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

It is a Curzon number.

It is a congruent number.

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, 693719 + ... + 696690.

It is an arithmetic number, because the mean of its divisors is an integer number (387924390).

Almost surely, 2^2066147774 is an apocalyptic number.

2066147774 is a deficient number, since it is larger than the sum of its proper divisors (1037247346).

2066147774 is a wasteful number, since it uses less digits than its factorization.

2066147774 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1391154.

The product of its (nonzero) digits is 395136, while the sum is 44.

The square root of 2066147774 is about 45454.8982399037. The cubic root of 2066147774 is about 1273.6608313215.

The spelling of 2066147774 in words is "two billion, sixty-six million, one hundred forty-seven thousand, seven hundred seventy-four".