660132190 has 8 divisors (see below), whose sum is σ = 1188237960. Its totient is φ = 264052872.

The previous prime is 660132149. The next prime is 660132217. The reversal of 660132190 is 91231066.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×660132190² = 871549016548392200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33006600 + ... + 33006619.

It is an arithmetic number, because the mean of its divisors is an integer number (148529745).

Almost surely, 2^660132190 is an apocalyptic number.

660132190 is a deficient number, since it is larger than the sum of its proper divisors (528105770).

660132190 is a wasteful number, since it uses less digits than its factorization.

660132190 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66013226.

The product of its (nonzero) digits is 1944, while the sum is 28.

The square root of 660132190 is about 25693.0377729065. The cubic root of 660132190 is about 870.7168927031.

The spelling of 660132190 in words is "six hundred sixty million, one hundred thirty-two thousand, one hundred ninety".