153720701000 has 64 divisors (see below), whose sum is σ = 360095814000. Its totient is φ = 61421721600.

The previous prime is 153720700901. The next prime is 153720701003. The reversal of 153720701000 is 107027351.

It can be written as a sum of positive squares in 8 ways, for example, as 3708566404 + 150012134596 = 60898^2 + 387314^2 .

It is not an unprimeable number, because it can be changed into a prime (153720701003) 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, 846266 + ... + 1011734.

Almost surely, 2^153720701000 is an apocalyptic number.

153720701000 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 153720701000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (180047907000).

153720701000 is an abundant number, since it is smaller than the sum of its proper divisors (206375113000).

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

153720701000 is a wasteful number, since it uses less digits than its factorization.

153720701000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166419 (or 166405 counting only the distinct ones).

The product of its (nonzero) digits is 1470, while the sum is 26.

Adding to 153720701000 its reverse (107027351), we get a palindrome (153827728351).

The spelling of 153720701000 in words is "one hundred fifty-three billion, seven hundred twenty million, seven hundred one thousand".