156971652064 has 24 divisors (see below), whose sum is σ = 327216643488. Its totient is φ = 73869012480.

The previous prime is 156971652011. The next prime is 156971652077. The reversal of 156971652064 is 460256179651.

It is a happy number.

It is a congruent 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 3 ways as a sum of consecutive naturals, for example, 144274872 + ... + 144275959.

It is an arithmetic number, because the mean of its divisors is an integer number (13634026812).

Almost surely, 2^156971652064 is an apocalyptic number.

It is an amenable number.

156971652064 is an abundant number, since it is smaller than the sum of its proper divisors (170244991424).

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

156971652064 is a wasteful number, since it uses less digits than its factorization.

156971652064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 288550858 (or 288550850 counting only the distinct ones).

The product of its (nonzero) digits is 2721600, while the sum is 52.

The spelling of 156971652064 in words is "one hundred fifty-six billion, nine hundred seventy-one million, six hundred fifty-two thousand, sixty-four".