16520771094 has 8 divisors (see below), whose sum is σ = 33041542200. Its totient is φ = 5506923696.

The previous prime is 16520771083. The next prime is 16520771153. The reversal of 16520771094 is 49017702561.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

16520771094 is an admirable number.

It is a super-3 number, since 3×16520771094³ (a number of 32 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1376730919 + ... + 1376730930.

It is an arithmetic number, because the mean of its divisors is an integer number (4130192775).

Almost surely, 2^16520771094 is an apocalyptic number.

16520771094 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

16520771094 is a wasteful number, since it uses less digits than its factorization.

16520771094 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2753461854.

The product of its (nonzero) digits is 105840, while the sum is 42.

The spelling of 16520771094 in words is "sixteen billion, five hundred twenty million, seven hundred seventy-one thousand, ninety-four".