2071664319 has 8 divisors (see below), whose sum is σ = 2924702640. Its totient is φ = 1299867776.

The previous prime is 2071664317. The next prime is 2071664323. The reversal of 2071664319 is 9134661702.

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 2071664319 - 2¹ = 2071664317 is a prime.

It is a super-2 number, since 2×2071664319² = 8583586101235467522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2071664317) 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, 20310384 + ... + 20310485.

It is an arithmetic number, because the mean of its divisors is an integer number (365587830).

Almost surely, 2^2071664319 is an apocalyptic number.

2071664319 is a deficient number, since it is larger than the sum of its proper divisors (853038321).

2071664319 is a wasteful number, since it uses less digits than its factorization.

2071664319 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40620889.

The product of its (nonzero) digits is 54432, while the sum is 39.

The square root of 2071664319 is about 45515.5393135136. The cubic root of 2071664319 is about 1274.7933678213.

The spelling of 2071664319 in words is "two billion, seventy-one million, six hundred sixty-four thousand, three hundred nineteen".