2653540126666 has 16 divisors (see below), whose sum is σ = 4676168615328. Its totient is φ = 1113373479600.

The previous prime is 2653540126583. The next prime is 2653540126697. The reversal of 2653540126666 is 6666210453562.

2653540126666 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 2×2653540126666² (a number of 26 digits) contains 22 as substring.

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, 4639055880 + ... + 4639056451.

It is an arithmetic number, because the mean of its divisors is an integer number (292260538458).

Almost surely, 2^{2653540126666} is an apocalyptic number.

2653540126666 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

2653540126666 is a deficient number, since it is larger than the sum of its proper divisors (2022628488662).

2653540126666 is a wasteful number, since it uses less digits than its factorization.

2653540126666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9278112357.

The product of its (nonzero) digits is 9331200, while the sum is 52.

The spelling of 2653540126666 in words is "two trillion, six hundred fifty-three billion, five hundred forty million, one hundred twenty-six thousand, six hundred sixty-six".