52168897646 has 8 divisors (see below), whose sum is σ = 80777648064. Its totient is φ = 25243014960.

The previous prime is 52168897633. The next prime is 52168897663. The reversal of 52168897646 is 64679886125.

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

It is a Harshad number since it is a multiple of its sum of digits (62), and also a Moran number because the ratio is a prime number: 841433833 = 52168897646 / (5 + 2 + 1 + 6 + 8 + 8 + 9 + 7 + 6 + 4 + 6).

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, 420716855 + ... + 420716978.

It is an arithmetic number, because the mean of its divisors is an integer number (10097206008).

Almost surely, 2^52168897646 is an apocalyptic number.

52168897646 is a deficient number, since it is larger than the sum of its proper divisors (28608750418).

52168897646 is a wasteful number, since it uses less digits than its factorization.

52168897646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 841433866.

The product of its digits is 34836480, while the sum is 62.

The spelling of 52168897646 in words is "fifty-two billion, one hundred sixty-eight million, eight hundred ninety-seven thousand, six hundred forty-six".