28416649716 has 120 divisors (see below), whose sum is σ = 91429923200. Its totient is φ = 7494493248.

The previous prime is 28416649673. The next prime is 28416649769. The reversal of 28416649716 is 61794661482.

28416649716 is a `hidden beast` number, since 2 + 84 + 1 + 66 + 497 + 16 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 452416 + ... + 511383.

Almost surely, 2^28416649716 is an apocalyptic number.

28416649716 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

28416649716 is an abundant number, since it is smaller than the sum of its proper divisors (63013273484).

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

28416649716 is a wasteful number, since it uses less digits than its factorization.

28416649716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 963835 (or 963824 counting only the distinct ones).

The product of its digits is 3483648, while the sum is 54.

It can be divided in two parts, 28 and 416649716, that added together give a square (416649744 = 20412²).

The spelling of 28416649716 in words is "twenty-eight billion, four hundred sixteen million, six hundred forty-nine thousand, seven hundred sixteen".