7690500538266 has 128 divisors (see below), whose sum is σ = 19193092079616. Its totient is φ = 2000134632960.

The previous prime is 7690500538243. The next prime is 7690500538267. The reversal of 7690500538266 is 6628350050967.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (7690500538267) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 298403961 + ... + 298429731.

It is an arithmetic number, because the mean of its divisors is an integer number (149946031872).

Almost surely, 2^{7690500538266} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7690500538266, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9596546039808).

7690500538266 is an abundant number, since it is smaller than the sum of its proper divisors (11502591541350).

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

7690500538266 is a wasteful number, since it uses less digits than its factorization.

7690500538266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33356.

The product of its (nonzero) digits is 16329600, while the sum is 57.

The spelling of 7690500538266 in words is "seven trillion, six hundred ninety billion, five hundred million, five hundred thirty-eight thousand, two hundred sixty-six".