151171566 has 96 divisors (see below), whose sum is σ = 389360160. Its totient is φ = 38755584.

The previous prime is 151171547. The next prime is 151171589. The reversal of 151171566 is 665171151.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 140880 + ... + 141948.

It is an arithmetic number, because the mean of its divisors is an integer number (4055835).

Almost surely, 2^151171566 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 151171566, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (194680080).

151171566 is an abundant number, since it is smaller than the sum of its proper divisors (238188594).

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

151171566 is a wasteful number, since it uses less digits than its factorization.

151171566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1138 (or 1131 counting only the distinct ones).

The product of its digits is 6300, while the sum is 33.

The square root of 151171566 is about 12295.1846671776. The cubic root of 151171566 is about 532.7090038959.

The spelling of 151171566 in words is "one hundred fifty-one million, one hundred seventy-one thousand, five hundred sixty-six".