16486777450 has 96 divisors (see below), whose sum is σ = 36135187200. Its totient is φ = 5517331200.

The previous prime is 16486777441. The next prime is 16486777481. The reversal of 16486777450 is 5477768461.

It is a Harshad number since it is a multiple of its sum of digits (55).

It is a junction number, because it is equal to n+sod(n) for n = 16486777391 and 16486777400.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2492047 + ... + 2498653.

It is an arithmetic number, because the mean of its divisors is an integer number (376408200).

Almost surely, 2^16486777450 is an apocalyptic number.

16486777450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16486777450 is an abundant number, since it is smaller than the sum of its proper divisors (19648409750).

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

16486777450 is a wasteful number, since it uses less digits than its factorization.

16486777450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6992 (or 6987 counting only the distinct ones).

The product of its (nonzero) digits is 7902720, while the sum is 55.

The spelling of 16486777450 in words is "sixteen billion, four hundred eighty-six million, seven hundred seventy-seven thousand, four hundred fifty".