15818852073 has 16 divisors (see below), whose sum is σ = 21304498176. Its totient is φ = 10439698320.

The previous prime is 15818852069. The next prime is 15818852089. The reversal of 15818852073 is 37025881851.

It is not a de Polignac number, because 15818852073 - 2² = 15818852069 is a prime.

It is not an unprimeable number, because it can be changed into a prime (15818852473) 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, 439468 + ... + 474098.

It is an arithmetic number, because the mean of its divisors is an integer number (1331531136).

Almost surely, 2^15818852073 is an apocalyptic number.

It is an amenable number.

15818852073 is a deficient number, since it is larger than the sum of its proper divisors (5485646103).

15818852073 is a wasteful number, since it uses less digits than its factorization.

15818852073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36164.

The product of its (nonzero) digits is 537600, while the sum is 48.

The spelling of 15818852073 in words is "fifteen billion, eight hundred eighteen million, eight hundred fifty-two thousand, seventy-three".