654318902061 has 12 divisors (see below), whose sum is σ = 1031047967040. Its totient is φ = 396556910280.

The previous prime is 654318902057. The next prime is 654318902093. The reversal of 654318902061 is 160209813456.

654318902061 is a `hidden beast` number, since 6 + 5 + 431 + 8 + 9 + 0 + 206 + 1 = 666.

It is not a de Polignac number, because 654318902061 - 2² = 654318902057 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 654318901998 and 654318902016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (654318902021) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3304640821 + ... + 3304641018.

It is an arithmetic number, because the mean of its divisors is an integer number (85920663920).

Almost surely, 2^654318902061 is an apocalyptic number.

It is an amenable number.

654318902061 is a deficient number, since it is larger than the sum of its proper divisors (376729064979).

654318902061 is a wasteful number, since it uses less digits than its factorization.

654318902061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6609281856 (or 6609281853 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 45.

The spelling of 654318902061 in words is "six hundred fifty-four billion, three hundred eighteen million, nine hundred two thousand, sixty-one".