16583316240 has 40 divisors (see below), whose sum is σ = 51408281088. Its totient is φ = 4422217600.

The previous prime is 16583316229. The next prime is 16583316241. The reversal of 16583316240 is 4261338561.

It is a tau number, because it is divible by the number of its divisors (40).

It is not an unprimeable number, because it can be changed into a prime (16583316241) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34548336 + ... + 34548815.

Almost surely, 2^16583316240 is an apocalyptic number.

16583316240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16583316240 is an abundant number, since it is smaller than the sum of its proper divisors (34824964848).

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

16583316240 is a wasteful number, since it uses less digits than its factorization.

16583316240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69097167 (or 69097161 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 39.

The spelling of 16583316240 in words is "sixteen billion, five hundred eighty-three million, three hundred sixteen thousand, two hundred forty".