166048850571 has 8 divisors (see below), whose sum is σ = 221494862544. Its totient is φ = 110651036160.

The previous prime is 166048850521. The next prime is 166048850581. The reversal of 166048850571 is 175058840661.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-166048850571 is a prime.

It is not an unprimeable number, because it can be changed into a prime (166048850521) 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, 12041350 + ... + 12055131.

It is an arithmetic number, because the mean of its divisors is an integer number (27686857818).

Almost surely, 2^166048850571 is an apocalyptic number.

166048850571 is a deficient number, since it is larger than the sum of its proper divisors (55446011973).

166048850571 is a wasteful number, since it uses less digits than its factorization.

166048850571 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24098781.

The product of its (nonzero) digits is 1612800, while the sum is 51.

The spelling of 166048850571 in words is "one hundred sixty-six billion, forty-eight million, eight hundred fifty thousand, five hundred seventy-one".