159646641702 has 16 divisors (see below), whose sum is σ = 319344388272. Its totient is φ = 53207029760.

The previous prime is 159646641643. The next prime is 159646641709. The reversal of 159646641702 is 207146646951.

It is a happy number.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (159646641709) 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, 2088699 + ... + 2163782.

It is an arithmetic number, because the mean of its divisors is an integer number (19959024267).

Almost surely, 2^159646641702 is an apocalyptic number.

159646641702 is an abundant number, since it is smaller than the sum of its proper divisors (159697746570).

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

159646641702 is a wasteful number, since it uses less digits than its factorization.

159646641702 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4258743.

The product of its (nonzero) digits is 2177280, while the sum is 51.

The spelling of 159646641702 in words is "one hundred fifty-nine billion, six hundred forty-six million, six hundred forty-one thousand, seven hundred two".