7911405437166 has 192 divisors, whose sum is σ = 22312955298816. Its totient is φ = 1964446387200.

The previous prime is 7911405437101. The next prime is 7911405437167. The reversal of 7911405437166 is 6617345041197.

It is a happy number.

7911405437166 is a `hidden beast` number, since 7 + 9 + 1 + 1 + 40 + 5 + 437 + 166 = 666.

It is a super-2 number, since 2×7911405437166² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7911405437167) by changing a digit.

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 95 ways as a sum of consecutive naturals, for example, 56577376 + ... + 56717036.

It is an arithmetic number, because the mean of its divisors is an integer number (116213308848).

Almost surely, 2^{7911405437166} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7911405437166, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11156477649408).

7911405437166 is an abundant number, since it is smaller than the sum of its proper divisors (14401549861650).

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

7911405437166 is a wasteful number, since it uses less digits than its factorization.

7911405437166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141487 (or 141484 counting only the distinct ones).

The product of its (nonzero) digits is 3810240, while the sum is 54.

The spelling of 7911405437166 in words is "seven trillion, nine hundred eleven billion, four hundred five million, four hundred thirty-seven thousand, one hundred sixty-six".