103061025666 has 24 divisors (see below), whose sum is σ = 223660823724. Its totient is φ = 34297992960.

The previous prime is 103061025649. The next prime is 103061025721. The reversal of 103061025666 is 666520160301.

It can be written as a sum of positive squares in 2 ways, for example, as 76353295041 + 26707730625 = 276321^2 + 163425^2 .

It is a super-2 number, since 2×103061025666² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 103061025666.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4628775 + ... + 4650986.

Almost surely, 2^103061025666 is an apocalyptic number.

103061025666 is an abundant number, since it is smaller than the sum of its proper divisors (120599798058).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

103061025666 is a wasteful number, since it uses less digits than its factorization.

103061025666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9280386 (or 9280383 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 36.

Adding to 103061025666 its reverse (666520160301), we get a palindrome (769581185967).

The spelling of 103061025666 in words is "one hundred three billion, sixty-one million, twenty-five thousand, six hundred sixty-six".