166027043 has 24 divisors (see below), whose sum is σ = 210212352. Its totient is φ = 129959424.

The previous prime is 166027031. The next prime is 166027051. The reversal of 166027043 is 340720661.

It is not a de Polignac number, because 166027043 - 2⁴ = 166027027 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 166026997 and 166027015.

It is not an unprimeable number, because it can be changed into a prime (166027013) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 60446 + ... + 63132.

It is an arithmetic number, because the mean of its divisors is an integer number (8758848).

Almost surely, 2^166027043 is an apocalyptic number.

166027043 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

166027043 is a deficient number, since it is larger than the sum of its proper divisors (44185309).

166027043 is a wasteful number, since it uses less digits than its factorization.

166027043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2811 (or 2804 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 29.

The square root of 166027043 is about 12885.1481559197. The cubic root of 166027043 is about 549.6163086998.

The spelling of 166027043 in words is "one hundred sixty-six million, twenty-seven thousand, forty-three".