155151166 has 8 divisors (see below), whose sum is σ = 234986544. Its totient is φ = 76822320.

The previous prime is 155151109. The next prime is 155151211. The reversal of 155151166 is 661151551.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×155151166² = 48143768622319112, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 376375 + ... + 376786.

It is an arithmetic number, because the mean of its divisors is an integer number (29373318).

Almost surely, 2^155151166 is an apocalyptic number.

155151166 is a deficient number, since it is larger than the sum of its proper divisors (79835378).

155151166 is a wasteful number, since it uses less digits than its factorization.

155151166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 753266.

The product of its digits is 4500, while the sum is 31.

The square root of 155151166 is about 12455.9690911627. The cubic root of 155151166 is about 537.3431058933.

It can be divided in two parts, 155 and 151166, that added together give a square (151321 = 389²).

The spelling of 155151166 in words is "one hundred fifty-five million, one hundred fifty-one thousand, one hundred sixty-six".