100665552 has 40 divisors (see below), whose sum is σ = 280058464. Its totient is φ = 30973824.

The previous prime is 100665529. The next prime is 100665559. The reversal of 100665552 is 255566001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100665559) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 80038 + ... + 81285.

Almost surely, 2^100665552 is an apocalyptic number.

100665552 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

100665552 is an abundant number, since it is smaller than the sum of its proper divisors (179392912).

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

100665552 is a wasteful number, since it uses less digits than its factorization.

100665552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161347 (or 161341 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 30.

The square root of 100665552 is about 10033.2224135619. Note that the first 3 decimals coincide. The cubic root of 100665552 is about 465.1863468639.

The spelling of 100665552 in words is "one hundred million, six hundred sixty-five thousand, five hundred fifty-two".