6601963389486 has 16 divisors (see below), whose sum is σ = 13256532067968. Its totient is φ = 2191886915000.

The previous prime is 6601963389457. The next prime is 6601963389499. The reversal of 6601963389486 is 6849833691066.

It is a happy number.

It is a super-2 number, since 2×6601963389486² (a number of 26 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 6601963389486.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2191885410 + ... + 2191888421.

It is an arithmetic number, because the mean of its divisors is an integer number (828533254248).

Almost surely, 2^{6601963389486} is an apocalyptic number.

6601963389486 is an abundant number, since it is smaller than the sum of its proper divisors (6654568678482).

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

6601963389486 is a wasteful number, since it uses less digits than its factorization.

6601963389486 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4383774087.

The product of its (nonzero) digits is 241864704, while the sum is 69.

The spelling of 6601963389486 in words is "six trillion, six hundred one billion, nine hundred sixty-three million, three hundred eighty-nine thousand, four hundred eighty-six".