157663565400 has 192 divisors, whose sum is σ = 538470892800. Its totient is φ = 37842880000.

The previous prime is 157663565347. The next prime is 157663565441. The reversal of 157663565400 is 4565366751.

157663565400 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 157663565400.

It is a congruent number.

It is an unprimeable number.

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 in 47 ways as a sum of consecutive naturals, for example, 548341 + ... + 784859.

It is an arithmetic number, because the mean of its divisors is an integer number (2804535900).

Almost surely, 2^157663565400 is an apocalyptic number.

157663565400 is a gapful number since it is divisible by the number (10) 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 157663565400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (269235446400).

157663565400 is an abundant number, since it is smaller than the sum of its proper divisors (380807327400).

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

157663565400 is a wasteful number, since it uses less digits than its factorization.

157663565400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 236650 (or 236641 counting only the distinct ones).

The product of its (nonzero) digits is 2268000, while the sum is 48.

The spelling of 157663565400 in words is "one hundred fifty-seven billion, six hundred sixty-three million, five hundred sixty-five thousand, four hundred".