671617967614 has 16 divisors (see below), whose sum is σ = 1104589964016. Its totient is φ = 303731243200.

The previous prime is 671617967609. The next prime is 671617967639. The reversal of 671617967614 is 416769716176.

It is a happy number.

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, 77478127 + ... + 77486794.

It is an arithmetic number, because the mean of its divisors is an integer number (69036872751).

Almost surely, 2^671617967614 is an apocalyptic number.

671617967614 is a deficient number, since it is larger than the sum of its proper divisors (432971996402).

671617967614 is a wasteful number, since it uses less digits than its factorization.

671617967614 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154965131.

The product of its digits is 16003008, while the sum is 61.

The spelling of 671617967614 in words is "six hundred seventy-one billion, six hundred seventeen million, nine hundred sixty-seven thousand, six hundred fourteen".