654377616 has 120 divisors (see below), whose sum is σ = 1940125824. Its totient is φ = 213425280.

The previous prime is 654377593. The next prime is 654377627. The reversal of 654377616 is 616773456.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 180946 + ... + 184526.

Almost surely, 2^654377616 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 654377616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (970062912).

654377616 is an abundant number, since it is smaller than the sum of its proper divisors (1285748208).

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

654377616 is a wasteful number, since it uses less digits than its factorization.

654377616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3651 (or 3633 counting only the distinct ones).

The product of its digits is 635040, while the sum is 45.

The square root of 654377616 is about 25580.8056167119. The cubic root of 654377616 is about 868.1794032679.

The spelling of 654377616 in words is "six hundred fifty-four million, three hundred seventy-seven thousand, six hundred sixteen".