2667318538 has 16 divisors (see below), whose sum is σ = 4043017440. Its totient is φ = 1319709456.

The previous prime is 2667318503. The next prime is 2667318539. The reversal of 2667318538 is 8358137662.

2667318538 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×2667318538² = 14229176366316914888, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2667318491 and 2667318500.

It is not an unprimeable number, because it can be changed into a prime (2667318539) 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, 69720 + ... + 100972.

It is an arithmetic number, because the mean of its divisors is an integer number (252688590).

Almost surely, 2^2667318538 is an apocalyptic number.

2667318538 is a deficient number, since it is larger than the sum of its proper divisors (1375698902).

2667318538 is a wasteful number, since it uses less digits than its factorization.

2667318538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31701.

The product of its digits is 1451520, while the sum is 49.

The square root of 2667318538 is about 51646.0892807965. The cubic root of 2667318538 is about 1386.8355350798.

The spelling of 2667318538 in words is "two billion, six hundred sixty-seven million, three hundred eighteen thousand, five hundred thirty-eight".