661035322 has 8 divisors (see below), whose sum is σ = 991669536. Its totient is φ = 330478812.

The previous prime is 661035299. The next prime is 661035329. The reversal of 661035322 is 223530166.

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

It is not an unprimeable number, because it can be changed into a prime (661035329) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12033 + ... + 38299.

It is an arithmetic number, because the mean of its divisors is an integer number (123958692).

Almost surely, 2^661035322 is an apocalyptic number.

661035322 is a deficient number, since it is larger than the sum of its proper divisors (330634214).

661035322 is a wasteful number, since it uses less digits than its factorization.

661035322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38852.

The product of its (nonzero) digits is 6480, while the sum is 28.

The square root of 661035322 is about 25710.6071884738. The cubic root of 661035322 is about 871.1137899503.

Adding to 661035322 its reverse (223530166), we get a palindrome (884565488).

The spelling of 661035322 in words is "six hundred sixty-one million, thirty-five thousand, three hundred twenty-two".