654661445055 has 16 divisors (see below), whose sum is σ = 1047505444704. Its totient is φ = 349137059840.

The previous prime is 654661445033. The next prime is 654661445063. The reversal of 654661445055 is 550544166456.

It is not a de Polignac number, because 654661445055 - 2²⁴ = 654644667839 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 654661444989 and 654661445007.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 633474 + ... + 1307903.

It is an arithmetic number, because the mean of its divisors is an integer number (65469090294).

Almost surely, 2^654661445055 is an apocalyptic number.

654661445055 is a deficient number, since it is larger than the sum of its proper divisors (392843999649).

654661445055 is a wasteful number, since it uses less digits than its factorization.

654661445055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1963866.

The product of its (nonzero) digits is 8640000, while the sum is 51.

The spelling of 654661445055 in words is "six hundred fifty-four billion, six hundred sixty-one million, four hundred forty-five thousand, fifty-five".