157866503340 has 96 divisors (see below), whose sum is σ = 544032276480. Its totient is φ = 33308096256.

The previous prime is 157866503339. The next prime is 157866503357. The reversal of 157866503340 is 43305668751.

It is a self number, because there is not a number n which added to its sum of digits gives 157866503340.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14451180 + ... + 14462099.

It is an arithmetic number, because the mean of its divisors is an integer number (5667002880).

Almost surely, 2^157866503340 is an apocalyptic number.

157866503340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

157866503340 is an abundant number, since it is smaller than the sum of its proper divisors (386165773140).

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

157866503340 is a wasteful number, since it uses less digits than its factorization.

157866503340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28913311 (or 28913309 counting only the distinct ones).

The product of its (nonzero) digits is 1814400, while the sum is 48.

The spelling of 157866503340 in words is "one hundred fifty-seven billion, eight hundred sixty-six million, five hundred three thousand, three hundred forty".