831213748966 has 8 divisors (see below), whose sum is σ = 1246828869720. Its totient is φ = 415604125728.

The previous prime is 831213748957. The next prime is 831213749011. The reversal of 831213748966 is 669847312138.

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

It is a super-2 number, since 2×831213748966² (a number of 25 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 831213748966.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 972931 + ... + 1615246.

It is an arithmetic number, because the mean of its divisors is an integer number (155853608715).

Almost surely, 2^831213748966 is an apocalyptic number.

831213748966 is a deficient number, since it is larger than the sum of its proper divisors (415615120754).

831213748966 is a wasteful number, since it uses less digits than its factorization.

831213748966 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2748758.

The product of its digits is 10450944, while the sum is 58.

The spelling of 831213748966 in words is "eight hundred thirty-one billion, two hundred thirteen million, seven hundred forty-eight thousand, nine hundred sixty-six".