159561146404 has 144 divisors (see below), whose sum is σ = 326514452544. Its totient is φ = 67632364800.

The previous prime is 159561146401. The next prime is 159561146441. The reversal of 159561146404 is 404641165951.

It is a Harshad number since it is a multiple of its sum of digits (46).

It is not an unprimeable number, because it can be changed into a prime (159561146401) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 260295202 + ... + 260295814.

It is an arithmetic number, because the mean of its divisors is an integer number (2267461476).

Almost surely, 2^159561146404 is an apocalyptic number.

It is an amenable number.

159561146404 is an abundant number, since it is smaller than the sum of its proper divisors (166953306140).

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

159561146404 is a wasteful number, since it uses less digits than its factorization.

159561146404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 938 (or 913 counting only the distinct ones).

The product of its (nonzero) digits is 518400, while the sum is 46.

The spelling of 159561146404 in words is "one hundred fifty-nine billion, five hundred sixty-one million, one hundred forty-six thousand, four hundred four".