157857616 has 60 divisors (see below), whose sum is σ = 357753888. Its totient is φ = 67279296.

The previous prime is 157857607. The next prime is 157857619. The reversal of 157857616 is 616758751.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157857619) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 177525 + ... + 178411.

Almost surely, 2^157857616 is an apocalyptic number.

157857616 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 157857616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (178876944).

157857616 is an abundant number, since it is smaller than the sum of its proper divisors (199896272).

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

157857616 is a wasteful number, since it uses less digits than its factorization.

157857616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1136 (or 1123 counting only the distinct ones).

The product of its digits is 352800, while the sum is 46.

The square root of 157857616 is about 12564.1400819953. The cubic root of 157857616 is about 540.4495753064.

The spelling of 157857616 in words is "one hundred fifty-seven million, eight hundred fifty-seven thousand, six hundred sixteen".