166377485 has 8 divisors (see below), whose sum is σ = 199938840. Its totient is φ = 132911424.

The previous prime is 166377479. The next prime is 166377499. The reversal of 166377485 is 584773661.

166377485 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 5442889 + 160934596 = 2333^2 + 12686^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-166377485 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19922 + ... + 27011.

It is an arithmetic number, because the mean of its divisors is an integer number (24992355).

Almost surely, 2^166377485 is an apocalyptic number.

It is an amenable number.

166377485 is a deficient number, since it is larger than the sum of its proper divisors (33561355).

166377485 is an equidigital number, since it uses as much as digits as its factorization.

166377485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47647.

The product of its digits is 846720, while the sum is 47.

The square root of 166377485 is about 12898.7396671148. The cubic root of 166377485 is about 550.0027382784.

The spelling of 166377485 in words is "one hundred sixty-six million, three hundred seventy-seven thousand, four hundred eighty-five".