7660418640431 has 4 divisors (see below), whose sum is σ = 7660425636864. Its totient is φ = 7660411644000.

The previous prime is 7660418640403. The next prime is 7660418640467. The reversal of 7660418640431 is 1340468140667.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 7660418640431 - 2²² = 7660414446127 is a prime.

It is a super-2 number, since 2×7660418640431² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 7660418640431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7660418640031) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1460015 + ... + 4177616.

It is an arithmetic number, because the mean of its divisors is an integer number (1915106409216).

Almost surely, 2^{7660418640431} is an apocalyptic number.

7660418640431 is a deficient number, since it is larger than the sum of its proper divisors (6996433).

7660418640431 is a wasteful number, since it uses less digits than its factorization.

7660418640431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6996432.

The product of its (nonzero) digits is 2322432, while the sum is 50.

The spelling of 7660418640431 in words is "seven trillion, six hundred sixty billion, four hundred eighteen million, six hundred forty thousand, four hundred thirty-one".