151681819850 has 24 divisors (see below), whose sum is σ = 307776202848. Its totient is φ = 55157025200.

The previous prime is 151681819843. The next prime is 151681819867. The reversal of 151681819850 is 58918186151.

It is a hoax number, since the sum of its digits (53) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 151681819792 and 151681819801.

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 11 ways as a sum of consecutive naturals, for example, 137892014 + ... + 137893113.

It is an arithmetic number, because the mean of its divisors is an integer number (12824008452).

Almost surely, 2^151681819850 is an apocalyptic number.

151681819850 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

151681819850 is an abundant number, since it is smaller than the sum of its proper divisors (156094382998).

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

151681819850 is a wasteful number, since it uses less digits than its factorization.

151681819850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 275785150 (or 275785145 counting only the distinct ones).

The product of its (nonzero) digits is 691200, while the sum is 53.

The spelling of 151681819850 in words is "one hundred fifty-one billion, six hundred eighty-one million, eight hundred nineteen thousand, eight hundred fifty".