147161857320 has 64 divisors (see below), whose sum is σ = 490539528000. Its totient is φ = 39243161664.

The previous prime is 147161857291. The next prime is 147161857321. The reversal of 147161857320 is 23758161741.

147161857320 is a `hidden beast` number, since 1 + 4 + 7 + 1 + 618 + 5 + 7 + 3 + 20 = 666.

It is a super-2 number, since 2×147161857320² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (147161857321) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 68129410 + ... + 68131569.

It is an arithmetic number, because the mean of its divisors is an integer number (7664680125).

Almost surely, 2^147161857320 is an apocalyptic number.

147161857320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

147161857320 is an abundant number, since it is smaller than the sum of its proper divisors (343377670680).

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

147161857320 is a wasteful number, since it uses less digits than its factorization.

147161857320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136260999 (or 136260989 counting only the distinct ones).

The product of its (nonzero) digits is 282240, while the sum is 45.

The spelling of 147161857320 in words is "one hundred forty-seven billion, one hundred sixty-one million, eight hundred fifty-seven thousand, three hundred twenty".