28103166032 has 40 divisors (see below), whose sum is σ = 57780319680. Its totient is φ = 13212826880.

The previous prime is 28103166031. The next prime is 28103166071. The reversal of 28103166032 is 23066130182.

It is a self number, because there is not a number n which added to its sum of digits gives 28103166032.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28103166031) 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, 625469 + ... + 668892.

It is an arithmetic number, because the mean of its divisors is an integer number (1444507992).

Almost surely, 2^28103166032 is an apocalyptic number.

It is an amenable number.

28103166032 is an abundant number, since it is smaller than the sum of its proper divisors (29677153648).

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

28103166032 is a wasteful number, since it uses less digits than its factorization.

28103166032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1294451 (or 1294445 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 32.

The spelling of 28103166032 in words is "twenty-eight billion, one hundred three million, one hundred sixty-six thousand, thirty-two".