654407164 has 6 divisors (see below), whose sum is σ = 1145212544. Its totient is φ = 327203580.

The previous prime is 654407161. The next prime is 654407233. The reversal of 654407164 is 461704456.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (654407161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81800892 + ... + 81800899.

Almost surely, 2^654407164 is an apocalyptic number.

It is an amenable number.

654407164 is a deficient number, since it is larger than the sum of its proper divisors (490805380).

654407164 is a wasteful number, since it uses less digits than its factorization.

654407164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163601795 (or 163601793 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 37.

The square root of 654407164 is about 25581.3831525975. The cubic root of 654407164 is about 868.1924704319.

The spelling of 654407164 in words is "six hundred fifty-four million, four hundred seven thousand, one hundred sixty-four".