671853930029496 has 48 divisors (see below), whose sum is σ = 1819611586128960. Its totient is φ = 223950424803840.

The previous prime is 671853930029459. The next prime is 671853930029537. The reversal of 671853930029496 is 694920039358176.

671853930029496 is a `hidden beast` number, since 6 + 7 + 1 + 85 + 3 + 9 + 30 + 0 + 29 + 496 = 666.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 27801 + ... + 36656631.

It is an arithmetic number, because the mean of its divisors is an integer number (37908574711020).

It is a 2-persistent number, because it is pandigital, and so is 2⋅671853930029496 = 1343707860058992, but 3⋅671853930029496 = 2015561790088488 is not.

Almost surely, 2^{671853930029496} is an apocalyptic number.

It is an amenable number.

671853930029496 is an abundant number, since it is smaller than the sum of its proper divisors (1147757656099464).

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

671853930029496 is a wasteful number, since it uses less digits than its factorization.

671853930029496 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36883596 (or 36883589 counting only the distinct ones).

The product of its (nonzero) digits is 529079040, while the sum is 72.

The spelling of 671853930029496 in words is "six hundred seventy-one trillion, eight hundred fifty-three billion, nine hundred thirty million, twenty-nine thousand, four hundred ninety-six".