166413950 has 24 divisors (see below), whose sum is σ = 310394568. Its totient is φ = 66379680.

The previous prime is 166413943. The next prime is 166414009. The reversal of 166413950 is 59314661.

It is a self number, because there is not a number n which added to its sum of digits gives 166413950.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14189 + ... + 23111.

It is an arithmetic number, because the mean of its divisors is an integer number (12933107).

Almost surely, 2^166413950 is an apocalyptic number.

166413950 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

166413950 is a deficient number, since it is larger than the sum of its proper divisors (143980618).

166413950 is a wasteful number, since it uses less digits than its factorization.

166413950 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9308 (or 9303 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 35.

The square root of 166413950 is about 12900.1530998667. The cubic root of 166413950 is about 550.0429167613.

The spelling of 166413950 in words is "one hundred sixty-six million, four hundred thirteen thousand, nine hundred fifty".