101663424 has 98 divisors (see below), whose sum is σ = 302607980. Its totient is φ = 33872256.

The previous prime is 101663413. The next prime is 101663447. The reversal of 101663424 is 424366101.

101663424 is a `hidden beast` number, since 1 + 0 + 1 + 6 + 634 + 24 = 666.

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 13 ways as a sum of consecutive naturals, for example, 45567 + ... + 47745.

Almost surely, 2^101663424 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 101663424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (151303990).

101663424 is an abundant number, since it is smaller than the sum of its proper divisors (200944556).

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

101663424 is an frugal number, since it uses more digits than its factorization.

101663424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2209 (or 2184 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 101663424 is about 10082.8281746740. The cubic root of 101663424 is about 466.7183870114.

The spelling of 101663424 in words is "one hundred one million, six hundred sixty-three thousand, four hundred twenty-four".