166026674 has 32 divisors (see below), whose sum is σ = 289949760. Its totient is φ = 70502400.

The previous prime is 166026647. The next prime is 166026683. The reversal of 166026674 is 476620661.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27794 + ... + 33234.

It is an arithmetic number, because the mean of its divisors is an integer number (9060930).

Almost surely, 2^166026674 is an apocalyptic number.

166026674 is a deficient number, since it is larger than the sum of its proper divisors (123923086).

166026674 is a wasteful number, since it uses less digits than its factorization.

166026674 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5546.

The product of its (nonzero) digits is 72576, while the sum is 38.

The square root of 166026674 is about 12885.1338371008. The cubic root of 166026674 is about 549.6159015201.

The spelling of 166026674 in words is "one hundred sixty-six million, twenty-six thousand, six hundred seventy-four".