16865138030 has 32 divisors (see below), whose sum is σ = 33489808128. Its totient is φ = 6075244800.

The previous prime is 16865137967. The next prime is 16865138047. The reversal of 16865138030 is 3083156861.

It is a Smith number, since the sum of its digits (41) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1576766 + ... + 1587425.

It is an arithmetic number, because the mean of its divisors is an integer number (1046556504).

Almost surely, 2^16865138030 is an apocalyptic number.

16865138030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16865138030 is a deficient number, since it is larger than the sum of its proper divisors (16624670098).

16865138030 is a wasteful number, since it uses less digits than its factorization.

16865138030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3164252.

The product of its (nonzero) digits is 103680, while the sum is 41.

The spelling of 16865138030 in words is "sixteen billion, eight hundred sixty-five million, one hundred thirty-eight thousand, thirty".