47081970166 has 48 divisors (see below), whose sum is σ = 89660252160. Its totient is φ = 18335736720.

The previous prime is 47081970073. The next prime is 47081970179. The reversal of 47081970166 is 66107918074.

It is a super-2 number, since 2×47081970166² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (49).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2923051 + ... + 2939113.

It is an arithmetic number, because the mean of its divisors is an integer number (1867921920).

Almost surely, 2^47081970166 is an apocalyptic number.

47081970166 is a deficient number, since it is larger than the sum of its proper divisors (42578281994).

47081970166 is a wasteful number, since it uses less digits than its factorization.

47081970166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18809 (or 18802 counting only the distinct ones).

The product of its (nonzero) digits is 508032, while the sum is 49.

The spelling of 47081970166 in words is "forty-seven billion, eighty-one million, nine hundred seventy thousand, one hundred sixty-six".