252115646606 has 4 divisors (see below), whose sum is σ = 378173469912. Its totient is φ = 126057823302.

The previous prime is 252115646599. The next prime is 252115646617. The reversal of 252115646606 is 606646511252.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×252115646606² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63028911650 + ... + 63028911653.

It is an arithmetic number, because the mean of its divisors is an integer number (94543367478).

Almost surely, 2^252115646606 is an apocalyptic number.

252115646606 is a deficient number, since it is larger than the sum of its proper divisors (126057823306).

252115646606 is a wasteful number, since it uses less digits than its factorization.

252115646606 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126057823305.

The product of its (nonzero) digits is 518400, while the sum is 44.

The spelling of 252115646606 in words is "two hundred fifty-two billion, one hundred fifteen million, six hundred forty-six thousand, six hundred six".