159691852428 has 24 divisors (see below), whose sum is σ = 378175732032. Its totient is φ = 52436130384.

The previous prime is 159691852423. The next prime is 159691852457. The reversal of 159691852428 is 824258196951.

It is a super-2 number, since 2×159691852428² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (159691852423) 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, 99310050 + ... + 99311657.

It is an arithmetic number, because the mean of its divisors is an integer number (15757322168).

Almost surely, 2^159691852428 is an apocalyptic number.

It is an amenable number.

159691852428 is an abundant number, since it is smaller than the sum of its proper divisors (218483879604).

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

159691852428 is a wasteful number, since it uses less digits than its factorization.

159691852428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 198621781 (or 198621779 counting only the distinct ones).

The product of its digits is 12441600, while the sum is 60.

The spelling of 159691852428 in words is "one hundred fifty-nine billion, six hundred ninety-one million, eight hundred fifty-two thousand, four hundred twenty-eight".