2064401662 has 32 divisors (see below), whose sum is σ = 3349868544. Its totient is φ = 951350400.

The previous prime is 2064401657. The next prime is 2064401723. The reversal of 2064401662 is 2661044602.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 340663 + ... + 346669.

It is an arithmetic number, because the mean of its divisors is an integer number (104683392).

Almost surely, 2^2064401662 is an apocalyptic number.

2064401662 is a deficient number, since it is larger than the sum of its proper divisors (1285466882).

2064401662 is a wasteful number, since it uses less digits than its factorization.

2064401662 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6304.

The product of its (nonzero) digits is 13824, while the sum is 31.

The square root of 2064401662 is about 45435.6870972587. The cubic root of 2064401662 is about 1273.3019377845.

The spelling of 2064401662 in words is "two billion, sixty-four million, four hundred one thousand, six hundred sixty-two".