103021256660 has 192 divisors, whose sum is σ = 255823626240. Its totient is φ = 34122816000.

The previous prime is 103021256651. The next prime is 103021256687. The reversal of 103021256660 is 66652120301.

It is a super-2 number, since 2×103021256660² (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 63 ways as a sum of consecutive naturals, for example, 209819015 + ... + 209819505.

It is an arithmetic number, because the mean of its divisors is an integer number (1332414720).

Almost surely, 2^103021256660 is an apocalyptic number.

103021256660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 103021256660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (127911813120).

103021256660 is an abundant number, since it is smaller than the sum of its proper divisors (152802369580).

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

103021256660 is a wasteful number, since it uses less digits than its factorization.

103021256660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 958 (or 956 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 32.

Adding to 103021256660 its reverse (66652120301), we get a palindrome (169673376961).

The spelling of 103021256660 in words is "one hundred three billion, twenty-one million, two hundred fifty-six thousand, six hundred sixty".