166408054 has 8 divisors (see below), whose sum is σ = 249883560. Its totient is φ = 83113536.

The previous prime is 166408037. The next prime is 166408069. The reversal of 166408054 is 450804661.

It is a sphenic number, since it is the product of 3 distinct primes.

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, 42924 + ... + 46639.

It is an arithmetic number, because the mean of its divisors is an integer number (31235445).

Almost surely, 2^166408054 is an apocalyptic number.

166408054 is a deficient number, since it is larger than the sum of its proper divisors (83475506).

166408054 is an equidigital number, since it uses as much as digits as its factorization.

166408054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90494.

The product of its (nonzero) digits is 23040, while the sum is 34.

The square root of 166408054 is about 12899.9245734229. The cubic root of 166408054 is about 550.0364207287.

The spelling of 166408054 in words is "one hundred sixty-six million, four hundred eight thousand, fifty-four".