625361536816 has 10 divisors (see below), whose sum is σ = 1211637977612. Its totient is φ = 312680768400.

The previous prime is 625361536753. The next prime is 625361536817. The reversal of 625361536816 is 618635163526.

It is not an unprimeable number, because it can be changed into a prime (625361536817) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19542548010 + ... + 19542548041.

Almost surely, 2^625361536816 is an apocalyptic number.

It is an amenable number.

625361536816 is a deficient number, since it is larger than the sum of its proper divisors (586276440796).

625361536816 is a wasteful number, since it uses less digits than its factorization.

625361536816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39085096059 (or 39085096053 counting only the distinct ones).

The product of its digits is 4665600, while the sum is 52.

The spelling of 625361536816 in words is "six hundred twenty-five billion, three hundred sixty-one million, five hundred thirty-six thousand, eight hundred sixteen".