166053180 has 24 divisors (see below), whose sum is σ = 464949072. Its totient is φ = 44280832.

The previous prime is 166053149. The next prime is 166053211. The reversal of 166053180 is 81350661.

It is an interprime number because it is at equal distance from previous prime (166053149) and next prime (166053211).

It is a super-2 number, since 2×166053180² = 55147317176224800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1383717 + ... + 1383836.

It is an arithmetic number, because the mean of its divisors is an integer number (19372878).

Almost surely, 2^166053180 is an apocalyptic number.

166053180 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

166053180 is an abundant number, since it is smaller than the sum of its proper divisors (298895892).

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

166053180 is a wasteful number, since it uses less digits than its factorization.

166053180 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2767565 (or 2767563 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 30.

The square root of 166053180 is about 12886.1623457102. The cubic root of 166053180 is about 549.6451485150.

The spelling of 166053180 in words is "one hundred sixty-six million, fifty-three thousand, one hundred eighty".