7160544990 has 160 divisors (see below), whose sum is σ = 19614545280. Its totient is φ = 1874036736.

The previous prime is 7160544973. The next prime is 7160544997. The reversal of 7160544990 is 994450617.

7160544990 is a `hidden beast` number, since 7 + 16 + 0 + 544 + 9 + 90 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7160544997) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 20284654 + ... + 20285006.

It is an arithmetic number, because the mean of its divisors is an integer number (122590908).

Almost surely, 2^7160544990 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7160544990, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9807272640).

7160544990 is an abundant number, since it is smaller than the sum of its proper divisors (12454000290).

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

7160544990 is a wasteful number, since it uses less digits than its factorization.

7160544990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 768 (or 759 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 45.

The square root of 7160544990 is about 84620.0034861734. The cubic root of 7160544990 is about 1927.4451406815.

The spelling of 7160544990 in words is "seven billion, one hundred sixty million, five hundred forty-four thousand, nine hundred ninety".