166853520350 has 48 divisors (see below), whose sum is σ = 343614185856. Its totient is φ = 59768412000.

The previous prime is 166853520331. The next prime is 166853520359. The reversal of 166853520350 is 53025358661.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166853520359) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2227106 + ... + 2300805.

It is an arithmetic number, because the mean of its divisors is an integer number (7158628872).

Almost surely, 2^166853520350 is an apocalyptic number.

166853520350 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

166853520350 is an abundant number, since it is smaller than the sum of its proper divisors (176760665506).

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

166853520350 is a wasteful number, since it uses less digits than its factorization.

166853520350 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4528001 (or 4527996 counting only the distinct ones).

The product of its (nonzero) digits is 648000, while the sum is 44.

The spelling of 166853520350 in words is "one hundred sixty-six billion, eight hundred fifty-three million, five hundred twenty thousand, three hundred fifty".