166026147 has 16 divisors (see below), whose sum is σ = 253174272. Its totient is φ = 94803840.

The previous prime is 166026109. The next prime is 166026191. The reversal of 166026147 is 741620661.

It is not a de Polignac number, because 166026147 - 2⁷ = 166026019 is a prime.

It is not an unprimeable number, because it can be changed into a prime (166026347) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49122 + ... + 52392.

It is an arithmetic number, because the mean of its divisors is an integer number (15823392).

Almost surely, 2^166026147 is an apocalyptic number.

166026147 is a deficient number, since it is larger than the sum of its proper divisors (87148125).

166026147 is a wasteful number, since it uses less digits than its factorization.

166026147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5698.

The product of its (nonzero) digits is 12096, while the sum is 33.

The square root of 166026147 is about 12885.1133871612. The cubic root of 166026147 is about 549.6153199912.

The spelling of 166026147 in words is "one hundred sixty-six million, twenty-six thousand, one hundred forty-seven".