47179051666 has 16 divisors (see below), whose sum is σ = 70864071840. Its totient is φ = 23557716000.

The previous prime is 47179051649. The next prime is 47179051669. The reversal of 47179051666 is 66615097174.

47179051666 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×47179051666² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (47179051669) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7337545 + ... + 7343971.

It is an arithmetic number, because the mean of its divisors is an integer number (4429004490).

Almost surely, 2^47179051666 is an apocalyptic number.

47179051666 is a deficient number, since it is larger than the sum of its proper divisors (23685020174).

47179051666 is a wasteful number, since it uses less digits than its factorization.

47179051666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10809.

The product of its (nonzero) digits is 1905120, while the sum is 52.

The spelling of 47179051666 in words is "forty-seven billion, one hundred seventy-nine million, fifty-one thousand, six hundred sixty-six".