166668350 has 48 divisors (see below), whose sum is σ = 332309088. Its totient is φ = 62029440.

The previous prime is 166668347. The next prime is 166668371. The reversal of 166668350 is 53866661.

It is a super-4 number, since 4×166668350⁴ (a number of 34 digits) contains 4444 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 166668298 and 166668307.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 40592 + ... + 44508.

It is an arithmetic number, because the mean of its divisors is an integer number (6923106).

Almost surely, 2^166668350 is an apocalyptic number.

166668350 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

166668350 is a deficient number, since it is larger than the sum of its proper divisors (165640738).

166668350 is a wasteful number, since it uses less digits than its factorization.

166668350 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3989 (or 3984 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 41.

The square root of 166668350 is about 12910.0096824131. The cubic root of 166668350 is about 550.3230608909.

The spelling of 166668350 in words is "one hundred sixty-six million, six hundred sixty-eight thousand, three hundred fifty".