252428137166 has 8 divisors (see below), whose sum is σ = 378916389624. Its totient is φ = 126122673960.

The previous prime is 252428137103. The next prime is 252428137301. The reversal of 252428137166 is 661731824252.

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

It is a self number, because there is not a number n which added to its sum of digits gives 252428137166.

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, 45693860 + ... + 45699383.

It is an arithmetic number, because the mean of its divisors is an integer number (47364548703).

Almost surely, 2^252428137166 is an apocalyptic number.

252428137166 is a deficient number, since it is larger than the sum of its proper divisors (126488252458).

252428137166 is a wasteful number, since it uses less digits than its factorization.

252428137166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91394626.

The product of its digits is 967680, while the sum is 47.

The spelling of 252428137166 in words is "two hundred fifty-two billion, four hundred twenty-eight million, one hundred thirty-seven thousand, one hundred sixty-six".