1000416561550 has 96 divisors (see below), whose sum is σ = 2144050272000. Its totient is φ = 340190357760.

The previous prime is 1000416561509. The next prime is 1000416561559. The reversal of 1000416561550 is 551656140001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1000416561559) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 51024049 + ... + 51043651.

It is an arithmetic number, because the mean of its divisors is an integer number (22333857000).

Almost surely, 2^{1000416561550} is an apocalyptic number.

1000416561550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1000416561550 is an abundant number, since it is smaller than the sum of its proper divisors (1143633710450).

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

1000416561550 is a wasteful number, since it uses less digits than its factorization.

1000416561550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20810 (or 20805 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 34.

The spelling of 1000416561550 in words is "one trillion, four hundred sixteen million, five hundred sixty-one thousand, five hundred fifty".