2088156565 has 8 divisors (see below), whose sum is σ = 2733586848. Its totient is φ = 1518659280.

The previous prime is 2088156557. The next prime is 2088156569. The reversal of 2088156565 is 5656518802.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2088156565 - 2³ = 2088156557 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 (2088156569) 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, 18983187 + ... + 18983296.

It is an arithmetic number, because the mean of its divisors is an integer number (341698356).

Almost surely, 2^2088156565 is an apocalyptic number.

It is an amenable number.

2088156565 is a deficient number, since it is larger than the sum of its proper divisors (645430283).

2088156565 is a wasteful number, since it uses less digits than its factorization.

2088156565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37966499.

The product of its (nonzero) digits is 576000, while the sum is 46.

The square root of 2088156565 is about 45696.3517690417. The cubic root of 2088156565 is about 1278.1672511225.

The spelling of 2088156565 in words is "two billion, eighty-eight million, one hundred fifty-six thousand, five hundred sixty-five".