10011616550 has 24 divisors (see below), whose sum is σ = 20054039376. Its totient is φ = 3696596640.

The previous prime is 10011616481. The next prime is 10011616561. The reversal of 10011616550 is 5561611001.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7700594 + ... + 7701893.

It is an arithmetic number, because the mean of its divisors is an integer number (835584974).

Almost surely, 2^10011616550 is an apocalyptic number.

10011616550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10011616550 is an abundant number, since it is smaller than the sum of its proper divisors (10042422826).

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

10011616550 is a wasteful number, since it uses less digits than its factorization.

10011616550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15402512 (or 15402507 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 26.

The spelling of 10011616550 in words is "ten billion, eleven million, six hundred sixteen thousand, five hundred fifty".