28103166030 has 32 divisors (see below), whose sum is σ = 67582800000. Its totient is φ = 7479155232.

The previous prime is 28103165983. The next prime is 28103166031. The reversal of 28103166030 is 3066130182.

It is a Harshad number since it is a multiple of its sum of digits (30).

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 15 ways as a sum of consecutive naturals, for example, 923680 + ... + 953619.

It is an arithmetic number, because the mean of its divisors is an integer number (2111962500).

Almost surely, 2^28103166030 is an apocalyptic number.

28103166030 is an abundant number, since it is smaller than the sum of its proper divisors (39479633970).

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

28103166030 is a wasteful number, since it uses less digits than its factorization.

28103166030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1877808.

The product of its (nonzero) digits is 5184, while the sum is 30.

The spelling of 28103166030 in words is "twenty-eight billion, one hundred three million, one hundred sixty-six thousand, thirty".