2666982601 has 8 divisors (see below), whose sum is σ = 2692039680. Its totient is φ = 2641989168.

The previous prime is 2666982589. The next prime is 2666982613. The reversal of 2666982601 is 1062896662.

It is an interprime number because it is at equal distance from previous prime (2666982589) and next prime (2666982613).

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2666982601 is a prime.

It is a super-2 number, since 2×2666982601² = 14225592388073450402, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2666982001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 70470 + ... + 101488.

It is an arithmetic number, because the mean of its divisors is an integer number (336504960).

Almost surely, 2^2666982601 is an apocalyptic number.

It is an amenable number.

2666982601 is a deficient number, since it is larger than the sum of its proper divisors (25057079).

2666982601 is a wasteful number, since it uses less digits than its factorization.

2666982601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31823.

The product of its (nonzero) digits is 373248, while the sum is 46.

The square root of 2666982601 is about 51642.8368798617. The cubic root of 2666982601 is about 1386.7773106967. Note that the first 3 decimals are identical.

The spelling of 2666982601 in words is "two billion, six hundred sixty-six million, nine hundred eighty-two thousand, six hundred one".