252791668058 has 4 divisors (see below), whose sum is σ = 379187502090. Its totient is φ = 126395834028.

The previous prime is 252791668049. The next prime is 252791668061. The reversal of 252791668058 is 850866197252.

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

It can be written as a sum of positive squares in only one way, i.e., 202196813569 + 50594854489 = 449663^2 + 224933^2 .

It is a super-3 number, since 3×252791668058³ (a number of 35 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 252791667988 and 252791668006.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63197917013 + ... + 63197917016.

Almost surely, 2^252791668058 is an apocalyptic number.

252791668058 is a deficient number, since it is larger than the sum of its proper divisors (126395834032).

252791668058 is a wasteful number, since it uses less digits than its factorization.

252791668058 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126395834031.

The product of its (nonzero) digits is 14515200, while the sum is 59.

The spelling of 252791668058 in words is "two hundred fifty-two billion, seven hundred ninety-one million, six hundred sixty-eight thousand, fifty-eight".