103191662844 has 72 divisors (see below), whose sum is σ = 265206859008. Its totient is φ = 33822472320.

The previous prime is 103191662813. The next prime is 103191662911. The reversal of 103191662844 is 448266191301.

103191662844 is a `hidden beast` number, since 1 + 0 + 3 + 1 + 9 + 16 + 628 + 4 + 4 = 666.

103191662844 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 103191662844.

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, 9650469 + ... + 9661155.

Almost surely, 2^103191662844 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 103191662844, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (132603429504).

103191662844 is an abundant number, since it is smaller than the sum of its proper divisors (162015196164).

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

103191662844 is a wasteful number, since it uses less digits than its factorization.

103191662844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15155 (or 15150 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 45.

The spelling of 103191662844 in words is "one hundred three billion, one hundred ninety-one million, six hundred sixty-two thousand, eight hundred forty-four".