2623661601 has 16 divisors (see below), whose sum is σ = 3919378368. Its totient is φ = 1547121600.

The previous prime is 2623661591. The next prime is 2623661611. The reversal of 2623661601 is 1061663262.

It is an interprime number because it is at equal distance from previous prime (2623661591) and next prime (2623661611).

It is not a de Polignac number, because 2623661601 - 2¹⁷ = 2623530529 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2623661611) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1073170 + ... + 1075611.

It is an arithmetic number, because the mean of its divisors is an integer number (244961148).

Almost surely, 2^2623661601 is an apocalyptic number.

It is an amenable number.

2623661601 is a deficient number, since it is larger than the sum of its proper divisors (1295716767).

2623661601 is a wasteful number, since it uses less digits than its factorization.

2623661601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2148832.

The product of its (nonzero) digits is 15552, while the sum is 33.

The square root of 2623661601 is about 51221.6907276595. The cubic root of 2623661601 is about 1379.2276012633.

It can be divided in two parts, 2623661 and 601, that added together give a palindrome (2624262).

The spelling of 2623661601 in words is "two billion, six hundred twenty-three million, six hundred sixty-one thousand, six hundred one".