2000664545 has 16 divisors (see below), whose sum is σ = 2732925312. Its totient is φ = 1391765760.

The previous prime is 2000664541. The next prime is 2000664551. The reversal of 2000664545 is 5454660002.

It is not a de Polignac number, because 2000664545 - 2² = 2000664541 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2000664541) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 789512 + ... + 792041.

It is an arithmetic number, because the mean of its divisors is an integer number (170807832).

Almost surely, 2^2000664545 is an apocalyptic number.

It is an amenable number.

2000664545 is a deficient number, since it is larger than the sum of its proper divisors (732260767).

2000664545 is a wasteful number, since it uses less digits than its factorization.

2000664545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1581592.

The product of its (nonzero) digits is 28800, while the sum is 32.

The square root of 2000664545 is about 44728.7887718861. The cubic root of 2000664545 is about 1260.0605801477.

The spelling of 2000664545 in words is "two billion, six hundred sixty-four thousand, five hundred forty-five".