661350230 has 8 divisors (see below), whose sum is σ = 1190430432. Its totient is φ = 264540088.

The previous prime is 661350203. The next prime is 661350251. The reversal of 661350230 is 32053166.

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

It is a self number, because there is not a number n which added to its sum of digits gives 661350230.

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, 33067502 + ... + 33067521.

It is an arithmetic number, because the mean of its divisors is an integer number (148803804).

Almost surely, 2^661350230 is an apocalyptic number.

661350230 is a deficient number, since it is larger than the sum of its proper divisors (529080202).

661350230 is a wasteful number, since it uses less digits than its factorization.

661350230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66135030.

The product of its (nonzero) digits is 3240, while the sum is 26.

The square root of 661350230 is about 25716.7305464750. The cubic root of 661350230 is about 871.2520968067.

The spelling of 661350230 in words is "six hundred sixty-one million, three hundred fifty thousand, two hundred thirty".