151566166 has 4 divisors (see below), whose sum is σ = 227349252. Its totient is φ = 75783082.

The previous prime is 151566143. The next prime is 151566193. The reversal of 151566166 is 661665151.

It is a semiprime because it is the product of two primes.

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 as a sum of consecutive naturals, namely, 37891540 + ... + 37891543.

It is an arithmetic number, because the mean of its divisors is an integer number (56837313).

Almost surely, 2^151566166 is an apocalyptic number.

151566166 is a deficient number, since it is larger than the sum of its proper divisors (75783086).

151566166 is an equidigital number, since it uses as much as digits as its factorization.

151566166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75783085.

The product of its digits is 32400, while the sum is 37.

The square root of 151566166 is about 12311.2211417065. The cubic root of 151566166 is about 533.1721076035.

The spelling of 151566166 in words is "one hundred fifty-one million, five hundred sixty-six thousand, one hundred sixty-six".