1659152543 has 8 divisors (see below), whose sum is σ = 1664077536. Its totient is φ = 1654236000.

The previous prime is 1659152533. The next prime is 1659152563. The reversal of 1659152543 is 3452519561.

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 1659152543 - 2⁴ = 1659152527 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1659152543.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1659152503) 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, 649118 + ... + 651668.

It is an arithmetic number, because the mean of its divisors is an integer number (208009692).

Almost surely, 2^1659152543 is an apocalyptic number.

1659152543 is a deficient number, since it is larger than the sum of its proper divisors (4924993).

1659152543 is a wasteful number, since it uses less digits than its factorization.

1659152543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4225.

The product of its digits is 162000, while the sum is 41.

The square root of 1659152543 is about 40732.6962402442. The cubic root of 1659152543 is about 1183.8466212989.

The spelling of 1659152543 in words is "one billion, six hundred fifty-nine million, one hundred fifty-two thousand, five hundred forty-three".