999103471703640 has 256 divisors, whose sum is σ = 3505760871552000. Its totient is φ = 252395392435200.

The previous prime is 999103471703629. The next prime is 999103471703651. The reversal of 999103471703640 is 46307174301999.

999103471703640 is a `hidden beast` number, since 9 + 9 + 91 + 0 + 3 + 471 + 7 + 0 + 36 + 40 = 666.

It is an interprime number because it is at equal distance from previous prime (999103471703629) and next prime (999103471703651).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 540949740 + ... + 542793540.

It is an arithmetic number, because the mean of its divisors is an integer number (13694378404500).

Almost surely, 2^{999103471703640} is an apocalyptic number.

999103471703640 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 999103471703640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1752880435776000).

999103471703640 is an abundant number, since it is smaller than the sum of its proper divisors (2506657399848360).

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

999103471703640 is a wasteful number, since it uses less digits than its factorization.

999103471703640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1870247 (or 1870237 counting only the distinct ones).

The product of its (nonzero) digits is 30862944, while the sum is 63.

The spelling of 999103471703640 in words is "nine hundred ninety-nine trillion, one hundred three billion, four hundred seventy-one million, seven hundred three thousand, six hundred forty".