103659948990 has 128 divisors (see below), whose sum is σ = 300473349120. Its totient is φ = 25277733504.

The previous prime is 103659948943. The next prime is 103659949021. The reversal of 103659948990 is 99849956301.

103659948990 is a `hidden beast` number, since 1 + 0 + 3 + 65 + 9 + 9 + 489 + 90 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 237567 + ... + 513573.

It is an arithmetic number, because the mean of its divisors is an integer number (2347448040).

Almost surely, 2^103659948990 is an apocalyptic number.

103659948990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 103659948990, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (150236674560).

103659948990 is an abundant number, since it is smaller than the sum of its proper divisors (196813400130).

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

103659948990 is a wasteful number, since it uses less digits than its factorization.

103659948990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 276143 (or 276137 counting only the distinct ones).

The product of its (nonzero) digits is 18895680, while the sum is 63.

The spelling of 103659948990 in words is "one hundred three billion, six hundred fifty-nine million, nine hundred forty-eight thousand, nine hundred ninety".