656348786541 has 24 divisors (see below), whose sum is σ = 1112780100224. Its totient is φ = 364919787360.

The previous prime is 656348786479. The next prime is 656348786551. The reversal of 656348786541 is 145687843656.

656348786541 is a `hidden beast` number, since 6 + 5 + 6 + 3 + 4 + 8 + 7 + 86 + 541 = 666.

It is not a de Polignac number, because 656348786541 - 2⁷ = 656348786413 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (656348786551) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 140784625 + ... + 140789286.

Almost surely, 2^656348786541 is an apocalyptic number.

It is an amenable number.

656348786541 is a deficient number, since it is larger than the sum of its proper divisors (456431313683).

656348786541 is a wasteful number, since it uses less digits than its factorization.

656348786541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 281573961 (or 281573958 counting only the distinct ones).

The product of its digits is 116121600, while the sum is 63.

The spelling of 656348786541 in words is "six hundred fifty-six billion, three hundred forty-eight million, seven hundred eighty-six thousand, five hundred forty-one".