2066649151 has 8 divisors (see below), whose sum is σ = 2362206240. Its totient is φ = 1771172448.

The previous prime is 2066649119. The next prime is 2066649161. The reversal of 2066649151 is 1519466602.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 2066649151 - 2⁵ = 2066649119 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2066649161) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52485 + ... + 82993.

It is an arithmetic number, because the mean of its divisors is an integer number (295275780).

Almost surely, 2^2066649151 is an apocalyptic number.

2066649151 is a deficient number, since it is larger than the sum of its proper divisors (295557089).

2066649151 is an equidigital number, since it uses as much as digits as its factorization.

2066649151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40193.

The product of its (nonzero) digits is 77760, while the sum is 40.

The square root of 2066649151 is about 45460.4130095625. The cubic root of 2066649151 is about 1273.7638463152.

The spelling of 2066649151 in words is "two billion, sixty-six million, six hundred forty-nine thousand, one hundred fifty-one".