10001561607 has 12 divisors (see below), whose sum is σ = 14799059184. Its totient is φ = 6505080480.

The previous prime is 10001561593. The next prime is 10001561611. The reversal of 10001561607 is 70616510001.

10001561607 is a `hidden beast` number, since 1 + 0 + 0 + 0 + 1 + 56 + 1 + 607 = 666.

It is not a de Polignac number, because 10001561607 - 2²³ = 9993172999 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10001561617) 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, 13551883 + ... + 13552620.

It is an arithmetic number, because the mean of its divisors is an integer number (1233254932).

Almost surely, 2^10001561607 is an apocalyptic number.

10001561607 is a deficient number, since it is larger than the sum of its proper divisors (4797497577).

10001561607 is a wasteful number, since it uses less digits than its factorization.

10001561607 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27104550 (or 27104547 counting only the distinct ones).

The product of its (nonzero) digits is 1260, while the sum is 27.

The spelling of 10001561607 in words is "ten billion, one million, five hundred sixty-one thousand, six hundred seven".