2638160071 has 4 divisors (see below), whose sum is σ = 2638274472. Its totient is φ = 2638045672.

The previous prime is 2638160029. The next prime is 2638160081. The reversal of 2638160071 is 1700618362.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2638160071 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 (2638160081) 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 3 ways as a sum of consecutive naturals, for example, 9160 + ... + 73213.

It is an arithmetic number, because the mean of its divisors is an integer number (659568618).

Almost surely, 2^2638160071 is an apocalyptic number.

2638160071 is a deficient number, since it is larger than the sum of its proper divisors (114401).

2638160071 is an equidigital number, since it uses as much as digits as its factorization.

2638160071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114400.

The product of its (nonzero) digits is 12096, while the sum is 34.

The square root of 2638160071 is about 51363.0224091223. The cubic root of 2638160071 is about 1381.7634933999.

The spelling of 2638160071 in words is "two billion, six hundred thirty-eight million, one hundred sixty thousand, seventy-one".