166473072612 has 192 divisors, whose sum is σ = 538345543680. Its totient is φ = 43219612800.

The previous prime is 166473072541. The next prime is 166473072641. The reversal of 166473072612 is 216270374661.

166473072612 is a `hidden beast` number, since 166 + 473 + 0 + 7 + 2 + 6 + 12 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 27830662 + ... + 27836642.

It is an arithmetic number, because the mean of its divisors is an integer number (2803883040).

Almost surely, 2^166473072612 is an apocalyptic number.

166473072612 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 166473072612, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (269172771840).

166473072612 is an abundant number, since it is smaller than the sum of its proper divisors (371872471068).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

166473072612 is a wasteful number, since it uses less digits than its factorization.

166473072612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9359 (or 9351 counting only the distinct ones).

The product of its (nonzero) digits is 508032, while the sum is 45.

The spelling of 166473072612 in words is "one hundred sixty-six billion, four hundred seventy-three million, seventy-two thousand, six hundred twelve".