2141566553 has 8 divisors (see below), whose sum is σ = 2449428480. Its totient is φ = 1834185600.

The previous prime is 2141566543. The next prime is 2141566607. The reversal of 2141566553 is 3556651412.

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 2141566553 - 2²² = 2137372249 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2141566543) 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, 110648 + ... + 128553.

It is an arithmetic number, because the mean of its divisors is an integer number (306178560).

Almost surely, 2^2141566553 is an apocalyptic number.

It is an amenable number.

2141566553 is a deficient number, since it is larger than the sum of its proper divisors (307861927).

2141566553 is a wasteful number, since it uses less digits than its factorization.

2141566553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 240487.

The product of its digits is 108000, while the sum is 38.

The square root of 2141566553 is about 46277.0629253845. The cubic root of 2141566553 is about 1288.9731132307.

The spelling of 2141566553 in words is "two billion, one hundred forty-one million, five hundred sixty-six thousand, five hundred fifty-three".