6001661625 has 16 divisors (see below), whose sum is σ = 9986765568. Its totient is φ = 3200886000.

The previous prime is 6001661593. The next prime is 6001661671. The reversal of 6001661625 is 5261661006.

It is not a de Polignac number, because 6001661625 - 2⁵ = 6001661593 is a prime.

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, 8001841 + ... + 8002590.

It is an arithmetic number, because the mean of its divisors is an integer number (624172848).

Almost surely, 2^6001661625 is an apocalyptic number.

It is an amenable number.

6001661625 is a deficient number, since it is larger than the sum of its proper divisors (3985103943).

6001661625 is a wasteful number, since it uses less digits than its factorization.

6001661625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16004449 (or 16004439 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 33.

The square root of 6001661625 is about 77470.3919249154. The cubic root of 6001661625 is about 1817.2883202945.

The spelling of 6001661625 in words is "six billion, one million, six hundred sixty-one thousand, six hundred twenty-five".