28100655416 has 32 divisors (see below), whose sum is σ = 55548536400. Its totient is φ = 13290024960.

The previous prime is 28100655371. The next prime is 28100655419. The reversal of 28100655416 is 61455600182.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a self number, because there is not a number n which added to its sum of digits gives 28100655416.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28100655419) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46775 + ... + 241638.

Almost surely, 2^28100655416 is an apocalyptic number.

It is an amenable number.

28100655416 is a deficient number, since it is larger than the sum of its proper divisors (27447880984).

28100655416 is a wasteful number, since it uses less digits than its factorization.

28100655416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 289079 (or 289075 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 38.

The spelling of 28100655416 in words is "twenty-eight billion, one hundred million, six hundred fifty-five thousand, four hundred sixteen".