252904371766 has 4 divisors (see below), whose sum is σ = 379356557652. Its totient is φ = 126452185882.

The previous prime is 252904371763. The next prime is 252904371791. The reversal of 252904371766 is 667173409252.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252904371761) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63226092940 + ... + 63226092943.

It is an arithmetic number, because the mean of its divisors is an integer number (94839139413).

Almost surely, 2^252904371766 is an apocalyptic number.

252904371766 is a deficient number, since it is larger than the sum of its proper divisors (126452185886).

252904371766 is a wasteful number, since it uses less digits than its factorization.

252904371766 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126452185885.

The product of its (nonzero) digits is 3810240, while the sum is 52.

The spelling of 252904371766 in words is "two hundred fifty-two billion, nine hundred four million, three hundred seventy-one thousand, seven hundred sixty-six".