153889191020 has 24 divisors (see below), whose sum is σ = 323208845568. Its totient is φ = 61547763200.

The previous prime is 153889191017. The next prime is 153889191047. The reversal of 153889191020 is 20191988351.

It is a happy number.

It is a super-2 number, since 2×153889191020² (a number of 23 digits) contains 22 as substring.

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 7 ways as a sum of consecutive naturals, for example, 333836 + ... + 647475.

It is an arithmetic number, because the mean of its divisors is an integer number (13467035232).

Almost surely, 2^153889191020 is an apocalyptic number.

153889191020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

153889191020 is an abundant number, since it is smaller than the sum of its proper divisors (169319654548).

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

153889191020 is a wasteful number, since it uses less digits than its factorization.

153889191020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 989161 (or 989159 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 47.

The spelling of 153889191020 in words is "one hundred fifty-three billion, eight hundred eighty-nine million, one hundred ninety-one thousand, twenty".