1103402116620 has 384 divisors, whose sum is σ = 3727494650880. Its totient is φ = 269893693440.

The previous prime is 1103402116591. The next prime is 1103402116643. The reversal of 1103402116620 is 266112043011.

It is a happy number.

1103402116620 is a `hidden beast` number, since 1 + 1 + 0 + 3 + 4 + 0 + 21 + 16 + 620 = 666.

It is a super-2 number, since 2×1103402116620² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 193814494 + ... + 193820186.

It is an arithmetic number, because the mean of its divisors is an integer number (9707017320).

Almost surely, 2^{1103402116620} is an apocalyptic number.

1103402116620 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 1103402116620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1863747325440).

1103402116620 is an abundant number, since it is smaller than the sum of its proper divisors (2624092534260).

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

1103402116620 is a wasteful number, since it uses less digits than its factorization.

1103402116620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6262 (or 6254 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

Adding to 1103402116620 its reverse (266112043011), we get a palindrome (1369514159631).

The spelling of 1103402116620 in words is "one trillion, one hundred three billion, four hundred two million, one hundred sixteen thousand, six hundred twenty".