166317616 has 10 divisors (see below), whose sum is σ = 322240412. Its totient is φ = 83158800.

The previous prime is 166317611. The next prime is 166317617. The reversal of 166317616 is 616713661.

166317616 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (166317611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5197410 + ... + 5197441.

Almost surely, 2^166317616 is an apocalyptic number.

166317616 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

166317616 is a deficient number, since it is larger than the sum of its proper divisors (155922796).

166317616 is a wasteful number, since it uses less digits than its factorization.

166317616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10394859 (or 10394853 counting only the distinct ones).

The product of its digits is 27216, while the sum is 37.

The square root of 166317616 is about 12896.4187276934. The cubic root of 166317616 is about 549.9367596709.

The spelling of 166317616 in words is "one hundred sixty-six million, three hundred seventeen thousand, six hundred sixteen".