103021660445 has 32 divisors (see below), whose sum is σ = 142094321280. Its totient is φ = 70915703040.

The previous prime is 103021660409. The next prime is 103021660453. The reversal of 103021660445 is 544066120301.

It is a de Polignac number, because none of the positive numbers 2^k-103021660445 is a prime.

It is a super-2 number, since 2×103021660445² (a number of 23 digits) 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 31 ways as a sum of consecutive naturals, for example, 1097087 + ... + 1187283.

It is an arithmetic number, because the mean of its divisors is an integer number (4440447540).

Almost surely, 2^103021660445 is an apocalyptic number.

It is an amenable number.

103021660445 is a deficient number, since it is larger than the sum of its proper divisors (39072660835).

103021660445 is a wasteful number, since it uses less digits than its factorization.

103021660445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91325.

The product of its (nonzero) digits is 17280, while the sum is 32.

Adding to 103021660445 its reverse (544066120301), we get a palindrome (647087780746).

The spelling of 103021660445 in words is "one hundred three billion, twenty-one million, six hundred sixty thousand, four hundred forty-five".