1559801652 has 12 divisors (see below), whose sum is σ = 3639537216. Its totient is φ = 519933880.

The previous prime is 1559801597. The next prime is 1559801689. The reversal of 1559801652 is 2561089551.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 64991724 + ... + 64991747.

It is an arithmetic number, because the mean of its divisors is an integer number (303294768).

Almost surely, 2^1559801652 is an apocalyptic number.

1559801652 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1559801652 is an abundant number, since it is smaller than the sum of its proper divisors (2079735564).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1559801652 is a wasteful number, since it uses less digits than its factorization.

1559801652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129983478 (or 129983476 counting only the distinct ones).

The product of its (nonzero) digits is 108000, while the sum is 42.

The square root of 1559801652 is about 39494.3243010942. The cubic root of 1559801652 is about 1159.7288436758.

The spelling of 1559801652 in words is "one billion, five hundred fifty-nine million, eight hundred one thousand, six hundred fifty-two".