16044677550 has 72 divisors (see below), whose sum is σ = 47025505800. Its totient is φ = 3889617600.

The previous prime is 16044677549. The next prime is 16044677557. The reversal of 16044677550 is 5577644061.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 16044677496 and 16044677505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16044677557) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1615725 + ... + 1625624.

It is an arithmetic number, because the mean of its divisors is an integer number (653132025).

Almost surely, 2^16044677550 is an apocalyptic number.

16044677550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16044677550 is an abundant number, since it is smaller than the sum of its proper divisors (30980828250).

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

16044677550 is a wasteful number, since it uses less digits than its factorization.

16044677550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3241378 (or 3241370 counting only the distinct ones).

The product of its (nonzero) digits is 705600, while the sum is 45.

The spelling of 16044677550 in words is "sixteen billion, forty-four million, six hundred seventy-seven thousand, five hundred fifty".