660193376 has 12 divisors (see below), whose sum is σ = 1299755772. Its totient is φ = 330096672.

The previous prime is 660193333. The next prime is 660193379. The reversal of 660193376 is 673391066.

It is a super-3 number, since 3×660193376³ (a number of 27 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (660193379) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10315490 + ... + 10315553.

It is an arithmetic number, because the mean of its divisors is an integer number (108312981).

Almost surely, 2^660193376 is an apocalyptic number.

It is an amenable number.

660193376 is a deficient number, since it is larger than the sum of its proper divisors (639562396).

660193376 is a wasteful number, since it uses less digits than its factorization.

660193376 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20631053 (or 20631045 counting only the distinct ones).

The product of its (nonzero) digits is 122472, while the sum is 41.

The square root of 660193376 is about 25694.2284569901. The cubic root of 660193376 is about 870.7437933949.

The spelling of 660193376 in words is "six hundred sixty million, one hundred ninety-three thousand, three hundred seventy-six".