662621677123 has 8 divisors (see below), whose sum is σ = 758244161792. Its totient is φ = 567239753736.

The previous prime is 662621677117. The next prime is 662621677127. The reversal of 662621677123 is 321776126266.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-662621677123 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (662621677127) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60134415 + ... + 60145432.

It is an arithmetic number, because the mean of its divisors is an integer number (94780520224).

Almost surely, 2^662621677123 is an apocalyptic number.

662621677123 is a deficient number, since it is larger than the sum of its proper divisors (95622484669).

662621677123 is a wasteful number, since it uses less digits than its factorization.

662621677123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120280641.

The product of its digits is 1524096, while the sum is 49.

The spelling of 662621677123 in words is "six hundred sixty-two billion, six hundred twenty-one million, six hundred seventy-seven thousand, one hundred twenty-three".