103209163456 has 112 divisors (see below), whose sum is σ = 240055603200. Its totient is φ = 43108144128.

The previous prime is 103209163423. The next prime is 103209163483. The reversal of 103209163456 is 654361902301.

It is a tau number, because it is divible by the number of its divisors (112).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5022130 + ... + 5042638.

It is an arithmetic number, because the mean of its divisors is an integer number (2143353600).

Almost surely, 2^103209163456 is an apocalyptic number.

103209163456 is a gapful number since it is divisible by the number (16) 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 103209163456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (120027801600).

103209163456 is an abundant number, since it is smaller than the sum of its proper divisors (136846439744).

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

103209163456 is a wasteful number, since it uses less digits than its factorization.

103209163456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20814 (or 20804 counting only the distinct ones).

The product of its (nonzero) digits is 116640, while the sum is 40.

The spelling of 103209163456 in words is "one hundred three billion, two hundred nine million, one hundred sixty-three thousand, four hundred fifty-six".