103656214452 has 72 divisors (see below), whose sum is σ = 281832826464. Its totient is φ = 29565509568.

The previous prime is 103656214429. The next prime is 103656214489. The reversal of 103656214452 is 254412656301.

It is a super-2 number, since 2×103656214452² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 103656214452.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 194998 + ... + 495314.

It is an arithmetic number, because the mean of its divisors is an integer number (3914344812).

Almost surely, 2^103656214452 is an apocalyptic number.

103656214452 is a gapful number since it is divisible by the number (12) 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 103656214452, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (140916413232).

103656214452 is an abundant number, since it is smaller than the sum of its proper divisors (178176612012).

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

103656214452 is a wasteful number, since it uses less digits than its factorization.

103656214452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 300925 (or 300916 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 39.

The spelling of 103656214452 in words is "one hundred three billion, six hundred fifty-six million, two hundred fourteen thousand, four hundred fifty-two".