159746378976 has 72 divisors (see below), whose sum is σ = 455189553000. Its totient is φ = 53142034176.

The previous prime is 159746378959. The next prime is 159746378999. The reversal of 159746378976 is 679873647951.

It is a happy number.

159746378976 is a `hidden beast` number, since 1 + 5 + 9 + 7 + 463 + 78 + 97 + 6 = 666.

It is a tau number, because it is divible by the number of its divisors (72).

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 412075 + ... + 699498.

It is an arithmetic number, because the mean of its divisors is an integer number (6322077125).

Almost surely, 2^159746378976 is an apocalyptic number.

159746378976 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

159746378976 is an abundant number, since it is smaller than the sum of its proper divisors (295443174024).

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

159746378976 is a wasteful number, since it uses less digits than its factorization.

159746378976 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1112088 (or 1112077 counting only the distinct ones).

The product of its digits is 480090240, while the sum is 72.

The spelling of 159746378976 in words is "one hundred fifty-nine billion, seven hundred forty-six million, three hundred seventy-eight thousand, nine hundred seventy-six".