7165955412 has 648 divisors, whose sum is σ = 25879714560. Its totient is φ = 1706443200.

The previous prime is 7165955411. The next prime is 7165955437. The reversal of 7165955412 is 2145595617.

It is a happy number.

7165955412 is a `hidden beast` number, since 7 + 1 + 6 + 595 + 54 + 1 + 2 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7165955411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 215 ways as a sum of consecutive naturals, for example, 231159837 + ... + 231159867.

Almost surely, 2^7165955412 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7165955412, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12939857280).

7165955412 is an abundant number, since it is smaller than the sum of its proper divisors (18713759148).

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

7165955412 is a wasteful number, since it uses less digits than its factorization.

7165955412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118 (or 73 counting only the distinct ones).

The product of its digits is 378000, while the sum is 45.

The square root of 7165955412 is about 84651.9663799962. The cubic root of 7165955412 is about 1927.9304699506.

The spelling of 7165955412 in words is "seven billion, one hundred sixty-five million, nine hundred fifty-five thousand, four hundred twelve".