100663473 has 16 divisors (see below), whose sum is σ = 137877696. Its totient is φ = 65291520.

The previous prime is 100663471. The next prime is 100663517. The reversal of 100663473 is 374366001.

It is not a de Polignac number, because 100663473 - 2¹ = 100663471 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 100663473.

It is not an unprimeable number, because it can be changed into a prime (100663471) 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, 34861 + ... + 37637.

It is an arithmetic number, because the mean of its divisors is an integer number (8617356).

Almost surely, 2^100663473 is an apocalyptic number.

It is an amenable number.

100663473 is a deficient number, since it is larger than the sum of its proper divisors (37214223).

100663473 is a wasteful number, since it uses less digits than its factorization.

100663473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3104.

The product of its (nonzero) digits is 9072, while the sum is 30.

The square root of 100663473 is about 10033.1188072304. The cubic root of 100663473 is about 465.1831444143.

The spelling of 100663473 in words is "one hundred million, six hundred sixty-three thousand, four hundred seventy-three".