2662655601 has 4 divisors (see below), whose sum is σ = 3550207472. Its totient is φ = 1775103732.

The previous prime is 2662655563. The next prime is 2662655623. The reversal of 2662655601 is 1065562662.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 2662655601 - 2¹³ = 2662647409 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2662655601.

It is not an unprimeable number, because it can be changed into a prime (2662655201) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 443775931 + ... + 443775936.

It is an arithmetic number, because the mean of its divisors is an integer number (887551868).

Almost surely, 2^2662655601 is an apocalyptic number.

It is an amenable number.

2662655601 is a deficient number, since it is larger than the sum of its proper divisors (887551871).

2662655601 is an equidigital number, since it uses as much as digits as its factorization.

2662655601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 887551870.

The product of its (nonzero) digits is 129600, while the sum is 39.

The square root of 2662655601 is about 51600.9263579638. The cubic root of 2662655601 is about 1386.0269204077.

The spelling of 2662655601 in words is "two billion, six hundred sixty-two million, six hundred fifty-five thousand, six hundred one".