166248494 has 16 divisors (see below), whose sum is σ = 257318208. Its totient is φ = 80512512.

The previous prime is 166248451. The next prime is 166248517. The reversal of 166248494 is 494842661.

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, 2 + ... + 18234.

It is an arithmetic number, because the mean of its divisors is an integer number (16082388).

Almost surely, 2^166248494 is an apocalyptic number.

166248494 is a deficient number, since it is larger than the sum of its proper divisors (91069714).

166248494 is a wasteful number, since it uses less digits than its factorization.

166248494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18379.

The product of its digits is 331776, while the sum is 44.

The square root of 166248494 is about 12893.7385579203. The cubic root of 166248494 is about 549.8605641023.

The spelling of 166248494 in words is "one hundred sixty-six million, two hundred forty-eight thousand, four hundred ninety-four".