7266511727656 has 8 divisors (see below), whose sum is σ = 13624709489370. Its totient is φ = 3633255863824.

The previous prime is 7266511727653. The next prime is 7266511727669. The reversal of 7266511727656 is 6567271156627.

It can be written as a sum of positive squares in only one way, i.e., 5361697705156 + 1904814022500 = 2315534^2 + 1380150^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 7266511727594 and 7266511727603.

It is not an unprimeable number, because it can be changed into a prime (7266511727653) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 454156982971 + ... + 454156982986.

Almost surely, 2^{7266511727656} is an apocalyptic number.

It is an amenable number.

7266511727656 is a deficient number, since it is larger than the sum of its proper divisors (6358197761714).

7266511727656 is a wasteful number, since it uses less digits than its factorization.

7266511727656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 908313965963 (or 908313965959 counting only the distinct ones).

The product of its digits is 44452800, while the sum is 61.

The spelling of 7266511727656 in words is "seven trillion, two hundred sixty-six billion, five hundred eleven million, seven hundred twenty-seven thousand, six hundred fifty-six".