6766242661525 has 48 divisors (see below), whose sum is σ = 8468622973440. Its totient is φ = 5362602148800.

The previous prime is 6766242661487. The next prime is 6766242661571. The reversal of 6766242661525 is 5251662426676.

It is not a de Polignac number, because 6766242661525 - 2¹⁵ = 6766242628757 is a prime.

It is a Smith number, since the sum of its digits (58) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 6766242661525.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2400226566 + ... + 2400229384.

It is an arithmetic number, because the mean of its divisors is an integer number (176429645280).

Almost surely, 2^{6766242661525} is an apocalyptic number.

It is an amenable number.

6766242661525 is a deficient number, since it is larger than the sum of its proper divisors (1702380311915).

6766242661525 is a wasteful number, since it uses less digits than its factorization.

6766242661525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4666 (or 4661 counting only the distinct ones).

The product of its digits is 43545600, while the sum is 58.

The spelling of 6766242661525 in words is "six trillion, seven hundred sixty-six billion, two hundred forty-two million, six hundred sixty-one thousand, five hundred twenty-five".