2667658542 has 16 divisors (see below), whose sum is σ = 5567287680. Its totient is φ = 850557752.

The previous prime is 2667658529. The next prime is 2667658603. The reversal of 2667658542 is 2458567662.

2667658542 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9665292 + ... + 9665567.

It is an arithmetic number, because the mean of its divisors is an integer number (347955480).

Almost surely, 2^2667658542 is an apocalyptic number.

2667658542 is an abundant number, since it is smaller than the sum of its proper divisors (2899629138).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2667658542 is a wasteful number, since it uses less digits than its factorization.

2667658542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19330887.

The product of its digits is 4838400, while the sum is 51.

The square root of 2667658542 is about 51649.3808481767. The cubic root of 2667658542 is about 1386.8944593751.

The spelling of 2667658542 in words is "two billion, six hundred sixty-seven million, six hundred fifty-eight thousand, five hundred forty-two".