16291583316 has 36 divisors (see below), whose sum is σ = 41566385952. Its totient is φ = 5379773904.

The previous prime is 16291583279. The next prime is 16291583317. The reversal of 16291583316 is 61338519261.

16291583316 is a `hidden beast` number, since 1 + 62 + 9 + 1 + 583 + 3 + 1 + 6 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16291583317) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2110840 + ... + 2118543.

It is an arithmetic number, because the mean of its divisors is an integer number (1154621832).

Almost surely, 2^16291583316 is an apocalyptic number.

It is an amenable number.

16291583316 is an abundant number, since it is smaller than the sum of its proper divisors (25274802636).

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

16291583316 is a wasteful number, since it uses less digits than its factorization.

16291583316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4229500 (or 4229495 counting only the distinct ones).

The product of its digits is 233280, while the sum is 45.

The spelling of 16291583316 in words is "sixteen billion, two hundred ninety-one million, five hundred eighty-three thousand, three hundred sixteen".