166071472773 has 16 divisors (see below), whose sum is σ = 230707685376. Its totient is φ = 106141543920.

The previous prime is 166071472741. The next prime is 166071472793. The reversal of 166071472773 is 377274170661.

It is not a de Polignac number, because 166071472773 - 2⁵ = 166071472741 is a prime.

It is a super-3 number, since 3×166071472773³ (a number of 35 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166071472793) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8334511 + ... + 8354412.

It is an arithmetic number, because the mean of its divisors is an integer number (14419230336).

Almost surely, 2^166071472773 is an apocalyptic number.

It is an amenable number.

166071472773 is a deficient number, since it is larger than the sum of its proper divisors (64636212603).

166071472773 is a wasteful number, since it uses less digits than its factorization.

166071472773 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16689064.

The product of its (nonzero) digits is 2074464, while the sum is 51.

The spelling of 166071472773 in words is "one hundred sixty-six billion, seventy-one million, four hundred seventy-two thousand, seven hundred seventy-three".