151665151506 has 96 divisors (see below), whose sum is σ = 349527370752. Its totient is φ = 43428269280.

The previous prime is 151665151487. The next prime is 151665151537. The reversal of 151665151506 is 605151566151.

151665151506 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 47 ways as a sum of consecutive naturals, for example, 10450251 + ... + 10464753.

It is an arithmetic number, because the mean of its divisors is an integer number (3640910112).

Almost surely, 2^151665151506 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 151665151506, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (174763685376).

151665151506 is an abundant number, since it is smaller than the sum of its proper divisors (197862219246).

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

151665151506 is a wasteful number, since it uses less digits than its factorization.

151665151506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14708 (or 14625 counting only the distinct ones).

The product of its (nonzero) digits is 135000, while the sum is 42.

The spelling of 151665151506 in words is "one hundred fifty-one billion, six hundred sixty-five million, one hundred fifty-one thousand, five hundred six".