103221640366 has 64 divisors (see below), whose sum is σ = 188618008320. Its totient is φ = 41844211200.

The previous prime is 103221640351. The next prime is 103221640367. The reversal of 103221640366 is 663046122301.

It is a super-2 number, since 2×103221640366² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103221640367) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 470941 + ... + 654391.

It is an arithmetic number, because the mean of its divisors is an integer number (2947156380).

Almost surely, 2^103221640366 is an apocalyptic number.

103221640366 is a deficient number, since it is larger than the sum of its proper divisors (85396367954).

103221640366 is a wasteful number, since it uses less digits than its factorization.

103221640366 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 183569.

The product of its (nonzero) digits is 31104, while the sum is 34.

Adding to 103221640366 its reverse (663046122301), we get a palindrome (766267762667).

The spelling of 103221640366 in words is "one hundred three billion, two hundred twenty-one million, six hundred forty thousand, three hundred sixty-six".