2670601661 has 8 divisors (see below), whose sum is σ = 3286894464. Its totient is φ = 2113003440.

The previous prime is 2670601627. The next prime is 2670601679. The reversal of 2670601661 is 1661060762.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2670601661 - 2³⁰ = 1596859837 is a prime.

It is a super-2 number, since 2×2670601661² = 14264226463471917842, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2670601861) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14673545 + ... + 14673726.

It is an arithmetic number, because the mean of its divisors is an integer number (410861808).

Almost surely, 2^2670601661 is an apocalyptic number.

It is an amenable number.

2670601661 is a deficient number, since it is larger than the sum of its proper divisors (616292803).

2670601661 is a wasteful number, since it uses less digits than its factorization.

2670601661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29347291.

The product of its (nonzero) digits is 18144, while the sum is 35.

The square root of 2670601661 is about 51677.8643231316. The cubic root of 2670601661 is about 1387.4043066433.

The spelling of 2670601661 in words is "two billion, six hundred seventy million, six hundred one thousand, six hundred sixty-one".