7156968920 has 64 divisors (see below), whose sum is σ = 16292275200. Its totient is φ = 2829301120.

The previous prime is 7156968883. The next prime is 7156968937. The reversal of 7156968920 is 298696517.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2048375 + ... + 2051865.

It is an arithmetic number, because the mean of its divisors is an integer number (254566800).

Almost surely, 2^7156968920 is an apocalyptic number.

It is an amenable number.

7156968920 is an abundant number, since it is smaller than the sum of its proper divisors (9135306280).

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

7156968920 is a wasteful number, since it uses less digits than its factorization.

7156968920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4088 (or 4084 counting only the distinct ones).

The product of its (nonzero) digits is 1632960, while the sum is 53.

The square root of 7156968920 is about 84598.8706780416. The cubic root of 7156968920 is about 1927.1242234653.

The spelling of 7156968920 in words is "seven billion, one hundred fifty-six million, nine hundred sixty-eight thousand, nine hundred twenty".