166100664401346 has 16 divisors (see below), whose sum is σ = 340303800237408. Its totient is φ = 54016476228000.

The previous prime is 166100664401267. The next prime is 166100664401351. The reversal of 166100664401346 is 643104466001661.

It is a super-2 number, since 2×166100664401346² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 166100664401295 and 166100664401304.

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, 337602976180 + ... + 337602976671.

It is an arithmetic number, because the mean of its divisors is an integer number (21268987514838).

Almost surely, 2^{166100664401346} is an apocalyptic number.

166100664401346 is an abundant number, since it is smaller than the sum of its proper divisors (174203135836062).

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

166100664401346 is a wasteful number, since it uses less digits than its factorization.

166100664401346 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 675205952897.

The product of its (nonzero) digits is 1492992, while the sum is 48.

The spelling of 166100664401346 in words is "one hundred sixty-six trillion, one hundred billion, six hundred sixty-four million, four hundred one thousand, three hundred forty-six".