7156968090 has 64 divisors (see below), whose sum is σ = 17659676160. Its totient is φ = 1854973440.

The previous prime is 7156968079. The next prime is 7156968131. The reversal of 7156968090 is 908696517.

It is a Curzon 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 31 ways as a sum of consecutive naturals, for example, 1250335 + ... + 1256045.

It is an arithmetic number, because the mean of its divisors is an integer number (275932440).

Almost surely, 2^7156968090 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7156968090, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8829838080).

7156968090 is an abundant number, since it is smaller than the sum of its proper divisors (10502708070).

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

7156968090 is a wasteful number, since it uses less digits than its factorization.

7156968090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6887.

The product of its (nonzero) digits is 816480, while the sum is 51.

The square root of 7156968090 is about 84598.8657725386. The cubic root of 7156968090 is about 1927.1241489686.

The spelling of 7156968090 in words is "seven billion, one hundred fifty-six million, nine hundred sixty-eight thousand, ninety".