166531752346 has 8 divisors (see below), whose sum is σ = 249800361120. Its totient is φ = 83264965308.

The previous prime is 166531752329. The next prime is 166531752397. The reversal of 166531752346 is 643257135661.

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

It is a self number, because there is not a number n which added to its sum of digits gives 166531752346.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 197736 + ... + 610051.

It is an arithmetic number, because the mean of its divisors is an integer number (31225045140).

Almost surely, 2^166531752346 is an apocalyptic number.

166531752346 is a deficient number, since it is larger than the sum of its proper divisors (83268608774).

166531752346 is a wasteful number, since it uses less digits than its factorization.

166531752346 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 910868.

The product of its digits is 2721600, while the sum is 49.

The spelling of 166531752346 in words is "one hundred sixty-six billion, five hundred thirty-one million, seven hundred fifty-two thousand, three hundred forty-six".