151891560220 has 24 divisors (see below), whose sum is σ = 337735352304. Its totient is φ = 57182704896.

The previous prime is 151891560209. The next prime is 151891560251. The reversal of 151891560220 is 22065198151.

151891560220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 7 ways as a sum of consecutive naturals, for example, 223369602 + ... + 223370281.

It is an arithmetic number, because the mean of its divisors is an integer number (14072306346).

Almost surely, 2^151891560220 is an apocalyptic number.

151891560220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

151891560220 is an abundant number, since it is smaller than the sum of its proper divisors (185843792084).

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

151891560220 is a wasteful number, since it uses less digits than its factorization.

151891560220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 446739909 (or 446739907 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 40.

The spelling of 151891560220 in words is "one hundred fifty-one billion, eight hundred ninety-one million, five hundred sixty thousand, two hundred twenty".