101563660 has 24 divisors (see below), whose sum is σ = 232673616. Its totient is φ = 36932160.

The previous prime is 101563643. The next prime is 101563667. The reversal of 101563660 is 66365101.

It is not an unprimeable number, because it can be changed into a prime (101563667) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 230607 + ... + 231046.

It is an arithmetic number, because the mean of its divisors is an integer number (9694734).

Almost surely, 2^101563660 is an apocalyptic number.

101563660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101563660 is an abundant number, since it is smaller than the sum of its proper divisors (131109956).

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

101563660 is a wasteful number, since it uses less digits than its factorization.

101563660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 461673 (or 461671 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 28.

The square root of 101563660 is about 10077.8797373257. The cubic root of 101563660 is about 466.5656708879.

The spelling of 101563660 in words is "one hundred one million, five hundred sixty-three thousand, six hundred sixty".