654413616 has 30 divisors (see below), whose sum is σ = 1831449620. Its totient is φ = 218137824.

The previous prime is 654413611. The next prime is 654413629. The reversal of 654413616 is 616314456.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (654413611) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2272126 + ... + 2272413.

Almost surely, 2^654413616 is an apocalyptic number.

It is an amenable number.

654413616 is an abundant number, since it is smaller than the sum of its proper divisors (1177036004).

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

654413616 is a wasteful number, since it uses less digits than its factorization.

654413616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4544553 (or 4544544 counting only the distinct ones).

The product of its digits is 51840, while the sum is 36.

The square root of 654413616 is about 25581.5092596195. The cubic root of 654413616 is about 868.1953236807.

The spelling of 654413616 in words is "six hundred fifty-four million, four hundred thirteen thousand, six hundred sixteen".