419990166 has 24 divisors (see below), whose sum is σ = 949543920. Its totient is φ = 133909776.

The previous prime is 419990161. The next prime is 419990173. The reversal of 419990166 is 661099914.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (419990161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 506821 + ... + 507648.

It is an arithmetic number, because the mean of its divisors is an integer number (39564330).

Almost surely, 2^419990166 is an apocalyptic number.

419990166 is a gapful number since it is divisible by the number (46) formed by its first and last digit.

419990166 is an abundant number, since it is smaller than the sum of its proper divisors (529553754).

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

419990166 is a wasteful number, since it uses less digits than its factorization.

419990166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1014500 (or 1014497 counting only the distinct ones).

The product of its (nonzero) digits is 104976, while the sum is 45.

The square root of 419990166 is about 20493.6616054818. The cubic root of 419990166 is about 748.8813937896.

The spelling of 419990166 in words is "four hundred nineteen million, nine hundred ninety thousand, one hundred sixty-six".