101010816 has 48 divisors (see below), whose sum is σ = 290672460. Its totient is φ = 33669888.

The previous prime is 101010809. The next prime is 101010841. The reversal of 101010816 is 618010101.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 42690 + ... + 44993.

Almost surely, 2^101010816 is an apocalyptic number.

101010816 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

101010816 is an abundant number, since it is smaller than the sum of its proper divisors (189661644).

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

101010816 is an equidigital number, since it uses as much as digits as its factorization.

101010816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87703 (or 87688 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 18.

The square root of 101010816 is about 10050.4137228275. The cubic root of 101010816 is about 465.7175740203.

Adding to 101010816 its reverse (618010101), we get a palindrome (719020917).

The spelling of 101010816 in words is "one hundred one million, ten thousand, eight hundred sixteen".