157768718248 has 32 divisors (see below), whose sum is σ = 300879633600. Its totient is φ = 77534589312.

The previous prime is 157768718227. The next prime is 157768718251. The reversal of 157768718248 is 842817867751.

It is a self number, because there is not a number n which added to its sum of digits gives 157768718248.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3264436 + ... + 3312412.

It is an arithmetic number, because the mean of its divisors is an integer number (9402488550).

Almost surely, 2^157768718248 is an apocalyptic number.

It is an amenable number.

157768718248 is a deficient number, since it is larger than the sum of its proper divisors (143110915352).

157768718248 is a wasteful number, since it uses less digits than its factorization.

157768718248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55009 (or 55005 counting only the distinct ones).

The product of its digits is 42147840, while the sum is 64.

The spelling of 157768718248 in words is "one hundred fifty-seven billion, seven hundred sixty-eight million, seven hundred eighteen thousand, two hundred forty-eight".