654537516 has 12 divisors (see below), whose sum is σ = 1527254232. Its totient is φ = 218179168.

The previous prime is 654537497. The next prime is 654537551. The reversal of 654537516 is 615735456.

It is a tau number, because it is divible by the number of its divisors (12).

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, 27272385 + ... + 27272408.

It is an arithmetic number, because the mean of its divisors is an integer number (127271186).

Almost surely, 2^654537516 is an apocalyptic number.

It is an amenable number.

654537516 is an abundant number, since it is smaller than the sum of its proper divisors (872716716).

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

654537516 is a wasteful number, since it uses less digits than its factorization.

654537516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54544800 (or 54544798 counting only the distinct ones).

The product of its digits is 378000, while the sum is 42.

The square root of 654537516 is about 25583.9308160415. The cubic root of 654537516 is about 868.2501119726.

The spelling of 654537516 in words is "six hundred fifty-four million, five hundred thirty-seven thousand, five hundred sixteen".