101663436 has 72 divisors (see below), whose sum is σ = 282740976. Its totient is φ = 28331520.

The previous prime is 101663413. The next prime is 101663447. The reversal of 101663436 is 634366101.

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, 22000 + ... + 26216.

It is an arithmetic number, because the mean of its divisors is an integer number (3926958).

Almost surely, 2^101663436 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 101663436, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (141370488).

101663436 is an abundant number, since it is smaller than the sum of its proper divisors (181077540).

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

101663436 is a wasteful number, since it uses less digits than its factorization.

101663436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4279 (or 4270 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 30.

The square root of 101663436 is about 10082.8287697451. The cubic root of 101663436 is about 466.7184053747.

The spelling of 101663436 in words is "one hundred one million, six hundred sixty-three thousand, four hundred thirty-six".