660238094 has 4 divisors (see below), whose sum is σ = 990357144. Its totient is φ = 330119046.

The previous prime is 660238091. The next prime is 660238097. The reversal of 660238094 is 490832066.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 490832066 = 2 ⋅245416033.

It is an interprime number because it is at equal distance from previous prime (660238091) and next prime (660238097).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (660238091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 165059522 + ... + 165059525.

It is an arithmetic number, because the mean of its divisors is an integer number (247589286).

Almost surely, 2^660238094 is an apocalyptic number.

660238094 is a deficient number, since it is larger than the sum of its proper divisors (330119050).

660238094 is a wasteful number, since it uses less digits than its factorization.

660238094 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 330119049.

The product of its (nonzero) digits is 62208, while the sum is 38.

The square root of 660238094 is about 25695.0986376780. The cubic root of 660238094 is about 870.7634528075.

The spelling of 660238094 in words is "six hundred sixty million, two hundred thirty-eight thousand, ninety-four".