100663293 has 16 divisors (see below), whose sum is σ = 138854912. Its totient is φ = 64800000.

The previous prime is 100663291. The next prime is 100663319. The reversal of 100663293 is 392366001.

It is a happy number.

100663293 is nontrivially palindromic in base 2 and base 8.

It is not a de Polignac number, because 100663293 - 2¹ = 100663291 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 100663293.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100663291) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 54993 + ... + 56793.

It is an arithmetic number, because the mean of its divisors is an integer number (8678432).

Almost surely, 2^100663293 is an apocalyptic number.

It is an amenable number.

100663293 is a deficient number, since it is larger than the sum of its proper divisors (38191619).

100663293 is a wasteful number, since it uses less digits than its factorization.

100663293 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2436.

The product of its (nonzero) digits is 5832, while the sum is 30.

The square root of 100663293 is about 10033.1098369349. The cubic root of 100663293 is about 465.1828671439.

The spelling of 100663293 in words is "one hundred million, six hundred sixty-three thousand, two hundred ninety-three".