654361632 has 48 divisors (see below), whose sum is σ = 1908557280. Its totient is φ = 218120256.

The previous prime is 654361619. The next prime is 654361633. The reversal of 654361632 is 236163456.

654361632 is a `hidden beast` number, since 6 + 5 + 4 + 3 + 616 + 32 = 666.

It is a tau number, because it is divible by the number of its divisors (48).

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

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

It is an alternating number because its digits alternate between even and odd.

It is not an unprimeable number, because it can be changed into a prime (654361633) 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, 377818 + ... + 379545.

It is an arithmetic number, because the mean of its divisors is an integer number (39761610).

Almost surely, 2^654361632 is an apocalyptic number.

It is an amenable number.

654361632 is an abundant number, since it is smaller than the sum of its proper divisors (1254195648).

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

654361632 is a wasteful number, since it uses less digits than its factorization.

654361632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 757382 (or 757368 counting only the distinct ones).

The product of its digits is 77760, while the sum is 36.

The square root of 654361632 is about 25580.4931930563. The cubic root of 654361632 is about 868.1723344174.

The spelling of 654361632 in words is "six hundred fifty-four million, three hundred sixty-one thousand, six hundred thirty-two".