166416031424404 has 24 divisors (see below), whose sum is σ = 308053023042240. Its totient is φ = 78499998143424.

The previous prime is 166416031424341. The next prime is 166416031424441. The reversal of 166416031424404 is 404424130614661.

It is a Harshad number since it is a multiple of its sum of digits (46).

It is a congruent number.

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, 12389513194 + ... + 12389526625.

It is an arithmetic number, because the mean of its divisors is an integer number (12835542626760).

Almost surely, 2^{166416031424404} is an apocalyptic number.

It is an amenable number.

166416031424404 is a deficient number, since it is larger than the sum of its proper divisors (141636991617836).

166416031424404 is a wasteful number, since it uses less digits than its factorization.

166416031424404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24779039919 (or 24779039917 counting only the distinct ones).

The product of its (nonzero) digits is 1327104, while the sum is 46.

The spelling of 166416031424404 in words is "one hundred sixty-six trillion, four hundred sixteen billion, thirty-one million, four hundred twenty-four thousand, four hundred four".