157068457728 has 288 divisors, whose sum is σ = 515285793792. Its totient is φ = 41361408000.

The previous prime is 157068457709. The next prime is 157068457739. The reversal of 157068457728 is 827754860751.

It is a Smith number, since the sum of its digits (60) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 61570053 + ... + 61572603.

It is an arithmetic number, because the mean of its divisors is an integer number (1789186784).

Almost surely, 2^157068457728 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 157068457728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (257642896896).

157068457728 is an abundant number, since it is smaller than the sum of its proper divisors (358217336064).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

157068457728 is a wasteful number, since it uses less digits than its factorization.

157068457728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3471 (or 3457 counting only the distinct ones).

The product of its (nonzero) digits is 26342400, while the sum is 60.

The spelling of 157068457728 in words is "one hundred fifty-seven billion, sixty-eight million, four hundred fifty-seven thousand, seven hundred twenty-eight".