151871971830 has 64 divisors (see below), whose sum is σ = 382465359360. Its totient is φ = 38521911296.

The previous prime is 151871971813. The next prime is 151871971831. The reversal of 151871971830 is 38179178151.

151871971830 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 not an unprimeable number, because it can be changed into a prime (151871971831) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 491307 + ... + 738326.

It is an arithmetic number, because the mean of its divisors is an integer number (5976021240).

Almost surely, 2^151871971830 is an apocalyptic number.

151871971830 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

151871971830 is an abundant number, since it is smaller than the sum of its proper divisors (230593387530).

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

151871971830 is a wasteful number, since it uses less digits than its factorization.

151871971830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1229845.

The product of its (nonzero) digits is 423360, while the sum is 51.

The spelling of 151871971830 in words is "one hundred fifty-one billion, eight hundred seventy-one million, nine hundred seventy-one thousand, eight hundred thirty".