166045054 has 32 divisors (see below), whose sum is σ = 288645120. Its totient is φ = 70171872.

The previous prime is 166045049. The next prime is 166045063. The reversal of 166045054 is 450540661.

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 15 ways as a sum of consecutive naturals, for example, 433347 + ... + 433729.

It is an arithmetic number, because the mean of its divisors is an integer number (9020160).

Almost surely, 2^166045054 is an apocalyptic number.

166045054 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

166045054 is a deficient number, since it is larger than the sum of its proper divisors (122600066).

166045054 is a wasteful number, since it uses less digits than its factorization.

166045054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 744.

The product of its (nonzero) digits is 14400, while the sum is 31.

The square root of 166045054 is about 12885.8470423950. The cubic root of 166045054 is about 549.6361825333.

The spelling of 166045054 in words is "one hundred sixty-six million, forty-five thousand, fifty-four".