1607655523563 has 16 divisors (see below), whose sum is σ = 2420756346400. Its totient is φ = 1054200342240.

The previous prime is 1607655523559. The next prime is 1607655523567. The reversal of 1607655523563 is 3653255567061.

It is a happy number.

1607655523563 is a `hidden beast` number, since 1 + 6 + 0 + 7 + 6 + 5 + 55 + 23 + 563 = 666.

It is an interprime number because it is at equal distance from previous prime (1607655523559) and next prime (1607655523567).

It is not a de Polignac number, because 1607655523563 - 2² = 1607655523559 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1607655523567) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 488054068 + ... + 488057361.

It is an arithmetic number, because the mean of its divisors is an integer number (151297271650).

Almost surely, 2^{1607655523563} is an apocalyptic number.

1607655523563 is a deficient number, since it is larger than the sum of its proper divisors (813100822837).

1607655523563 is an equidigital number, since it uses as much as digits as its factorization.

1607655523563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 976111499 (or 976111493 counting only the distinct ones).

The product of its (nonzero) digits is 17010000, while the sum is 54.

The spelling of 1607655523563 in words is "one trillion, six hundred seven billion, six hundred fifty-five million, five hundred twenty-three thousand, five hundred sixty-three".