159571469640 has 64 divisors (see below), whose sum is σ = 522233904960. Its totient is φ = 38683992320.

The previous prime is 159571469593. The next prime is 159571469699. The reversal of 159571469640 is 46964175951.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 60442419 + ... + 60445058.

It is an arithmetic number, because the mean of its divisors is an integer number (8159904765).

Almost surely, 2^159571469640 is an apocalyptic number.

159571469640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

159571469640 is an abundant number, since it is smaller than the sum of its proper divisors (362662435320).

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

159571469640 is a wasteful number, since it uses less digits than its factorization.

159571469640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120887502 (or 120887498 counting only the distinct ones).

The product of its (nonzero) digits is 8164800, while the sum is 57.

The spelling of 159571469640 in words is "one hundred fifty-nine billion, five hundred seventy-one million, four hundred sixty-nine thousand, six hundred forty".