670698265898 has 16 divisors (see below), whose sum is σ = 1008159111720. Its totient is φ = 334645406400.

The previous prime is 670698265891. The next prime is 670698265901. The reversal of 670698265898 is 898562896076.

670698265898 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 670503858649 + 194407249 = 818843^2 + 13943^2 .

It is not an unprimeable number, because it can be changed into a prime (670698265891) 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, 8328908 + ... + 8409048.

Almost surely, 2^670698265898 is an apocalyptic number.

670698265898 is a deficient number, since it is larger than the sum of its proper divisors (337460845822).

670698265898 is a wasteful number, since it uses less digits than its factorization.

670698265898 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88873.

The product of its (nonzero) digits is 627056640, while the sum is 74.

The spelling of 670698265898 in words is "six hundred seventy billion, six hundred ninety-eight million, two hundred sixty-five thousand, eight hundred ninety-eight".