2690118556 has 24 divisors (see below), whose sum is σ = 5001680880. Its totient is φ = 1261608192.

The previous prime is 2690118551. The next prime is 2690118577. The reversal of 2690118556 is 6558110962.

It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2690118551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47586 + ... + 87433.

It is an arithmetic number, because the mean of its divisors is an integer number (208403370).

Almost surely, 2^2690118556 is an apocalyptic number.

It is an amenable number.

2690118556 is a deficient number, since it is larger than the sum of its proper divisors (2311562324).

2690118556 is a wasteful number, since it uses less digits than its factorization.

2690118556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135333 (or 135331 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 43.

The square root of 2690118556 is about 51866.3528310985. The cubic root of 2690118556 is about 1390.7758476002.

The spelling of 2690118556 in words is "two billion, six hundred ninety million, one hundred eighteen thousand, five hundred fifty-six".