654940366 has 16 divisors (see below), whose sum is σ = 992736000. Its totient is φ = 324035640.

The previous prime is 654940361. The next prime is 654940369. The reversal of 654940366 is 663049456.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (654940361) 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, 326635 + ... + 328633.

It is an arithmetic number, because the mean of its divisors is an integer number (62046000).

Almost surely, 2^654940366 is an apocalyptic number.

654940366 is a deficient number, since it is larger than the sum of its proper divisors (337795634).

654940366 is a wasteful number, since it uses less digits than its factorization.

654940366 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3639.

The product of its (nonzero) digits is 466560, while the sum is 43.

The square root of 654940366 is about 25591.8027110245. The cubic root of 654940366 is about 868.4282035333.

The spelling of 654940366 in words is "six hundred fifty-four million, nine hundred forty thousand, three hundred sixty-six".