166416213503224 has 16 divisors (see below), whose sum is σ = 319640897887920. Its totient is φ = 81178640733120.

The previous prime is 166416213503159. The next prime is 166416213503279. The reversal of 166416213503224 is 422305312614661.

It is a super-2 number, since 2×166416213503224² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

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, 253683251964 + ... + 253683252619.

It is an arithmetic number, because the mean of its divisors is an integer number (19977556117995).

Almost surely, 2^{166416213503224} is an apocalyptic number.

It is an amenable number.

166416213503224 is a deficient number, since it is larger than the sum of its proper divisors (153224684384696).

166416213503224 is a wasteful number, since it uses less digits than its factorization.

166416213503224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 507366504630 (or 507366504626 counting only the distinct ones).

The product of its (nonzero) digits is 1244160, while the sum is 46.

The spelling of 166416213503224 in words is "one hundred sixty-six trillion, four hundred sixteen billion, two hundred thirteen million, five hundred three thousand, two hundred twenty-four".