166116712 has 16 divisors (see below), whose sum is σ = 315856800. Its totient is φ = 81888240.

The previous prime is 166116703. The next prime is 166116719. The reversal of 166116712 is 217611661.

It is a super-4 number, since 4×166116712⁴ (a number of 34 digits) contains 4444 as substring.

It is not an unprimeable number, because it can be changed into a prime (166116719) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 145662 + ... + 146797.

It is an arithmetic number, because the mean of its divisors is an integer number (19741050).

Almost surely, 2^166116712 is an apocalyptic number.

It is an amenable number.

166116712 is a deficient number, since it is larger than the sum of its proper divisors (149740088).

166116712 is a wasteful number, since it uses less digits than its factorization.

166116712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 292536 (or 292532 counting only the distinct ones).

The product of its digits is 3024, while the sum is 31.

The square root of 166116712 is about 12888.6272348920. The cubic root of 166116712 is about 549.7152377138.

The spelling of 166116712 in words is "one hundred sixty-six million, one hundred sixteen thousand, seven hundred twelve".