660722102 has 16 divisors (see below), whose sum is σ = 1052374032. Its totient is φ = 310041600.

The previous prime is 660722089. The next prime is 660722107. The reversal of 660722102 is 201227066.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (660722107) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15524 + ... + 39527.

It is an arithmetic number, because the mean of its divisors is an integer number (65773377).

Almost surely, 2^660722102 is an apocalyptic number.

660722102 is a deficient number, since it is larger than the sum of its proper divisors (391651930).

660722102 is a wasteful number, since it uses less digits than its factorization.

660722102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55423.

The product of its (nonzero) digits is 2016, while the sum is 26.

The square root of 660722102 is about 25704.5152064769. The cubic root of 660722102 is about 870.9761808803.

Adding to 660722102 its reverse (201227066), we get a palindrome (861949168).

The spelling of 660722102 in words is "six hundred sixty million, seven hundred twenty-two thousand, one hundred two".