103161216 has 64 divisors (see below), whose sum is σ = 275436720. Its totient is φ = 34209792.

The previous prime is 103161209. The next prime is 103161221. The reversal of 103161216 is 612161301.

It is a tau number, because it is divible by the number of its divisors (64).

It is a junction number, because it is equal to n+sod(n) for n = 103161192 and 103161201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 88896 + ... + 90048.

Almost surely, 2^103161216 is an apocalyptic number.

103161216 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 103161216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (137718360).

103161216 is an abundant number, since it is smaller than the sum of its proper divisors (172275504).

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

103161216 is a wasteful number, since it uses less digits than its factorization.

103161216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1403 (or 1391 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 21.

The square root of 103161216 is about 10156.8310018430. The cubic root of 103161216 is about 468.9992528967. Note that the first 3 decimals are identical.

The spelling of 103161216 in words is "one hundred three million, one hundred sixty-one thousand, two hundred sixteen".