101097918 has 24 divisors (see below), whose sum is σ = 219424608. Its totient is φ = 33640992.

The previous prime is 101097911. The next prime is 101097937. The reversal of 101097918 is 819790101.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101097911) 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 11 ways as a sum of consecutive naturals, for example, 6555 + ... + 15657.

It is an arithmetic number, because the mean of its divisors is an integer number (9142692).

Almost surely, 2^101097918 is an apocalyptic number.

101097918 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

101097918 is an abundant number, since it is smaller than the sum of its proper divisors (118326690).

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

101097918 is a wasteful number, since it uses less digits than its factorization.

101097918 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9728 (or 9725 counting only the distinct ones).

The product of its (nonzero) digits is 4536, while the sum is 36.

The square root of 101097918 is about 10054.7460435359. The cubic root of 101097918 is about 465.8513988903.

The spelling of 101097918 in words is "one hundred one million, ninety-seven thousand, nine hundred eighteen".