7847491580166 has 16 divisors (see below), whose sum is σ = 17937123611904. Its totient is φ = 2242140451464.

The previous prime is 7847491580129. The next prime is 7847491580177. The reversal of 7847491580166 is 6610851947487.

It is a super-4 number, since 4×7847491580166⁴ (a number of 53 digits) contains 4444 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 7847491580097 and 7847491580106.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 93422518770 + ... + 93422518853.

It is an arithmetic number, because the mean of its divisors is an integer number (1121070225744).

Almost surely, 2^{7847491580166} is an apocalyptic number.

7847491580166 is an abundant number, since it is smaller than the sum of its proper divisors (10089632031738).

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

7847491580166 is a wasteful number, since it uses less digits than its factorization.

7847491580166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 186845037635.

The product of its (nonzero) digits is 81285120, while the sum is 66.

The spelling of 7847491580166 in words is "seven trillion, eight hundred forty-seven billion, four hundred ninety-one million, five hundred eighty thousand, one hundred sixty-six".