2066519401 has 8 divisors (see below), whose sum is σ = 2175807200. Its totient is φ = 1957284000.

The previous prime is 2066519383. The next prime is 2066519419. The reversal of 2066519401 is 1049156602.

It is an interprime number because it is at equal distance from previous prime (2066519383) and next prime (2066519419).

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 2066519401 - 2²⁷ = 1932301673 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2066519431) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 87901 + ... + 108901.

It is an arithmetic number, because the mean of its divisors is an integer number (271975900).

Almost surely, 2^2066519401 is an apocalyptic number.

It is an amenable number.

2066519401 is a deficient number, since it is larger than the sum of its proper divisors (109287799).

2066519401 is a wasteful number, since it uses less digits than its factorization.

2066519401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26199.

The product of its (nonzero) digits is 12960, while the sum is 34.

The square root of 2066519401 is about 45458.9859213775. The cubic root of 2066519401 is about 1273.7371889412.

The spelling of 2066519401 in words is "two billion, sixty-six million, five hundred nineteen thousand, four hundred one".