2667658541 has 4 divisors (see below), whose sum is σ = 2668795584. Its totient is φ = 2666521500.

The previous prime is 2667658529. The next prime is 2667658603. The reversal of 2667658541 is 1458567662.

2667658541 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 a cyclic number.

It is not a de Polignac number, because 2667658541 - 2¹⁴ = 2667642157 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 2667658541.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2667658141) 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, 564995 + ... + 569696.

It is an arithmetic number, because the mean of its divisors is an integer number (667198896).

Almost surely, 2^2667658541 is an apocalyptic number.

It is an amenable number.

2667658541 is a deficient number, since it is larger than the sum of its proper divisors (1137043).

2667658541 is a wasteful number, since it uses less digits than its factorization.

2667658541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1137042.

The product of its digits is 2419200, while the sum is 50.

The square root of 2667658541 is about 51649.3808384960. The cubic root of 2667658541 is about 1386.8944592018.

The spelling of 2667658541 in words is "two billion, six hundred sixty-seven million, six hundred fifty-eight thousand, five hundred forty-one".