155061166 has 16 divisors (see below), whose sum is σ = 263667600. Its totient is φ = 67799808.

The previous prime is 155061161. The next prime is 155061169. The reversal of 155061166 is 661160551.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155061161) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 156451 + ... + 157438.

It is an arithmetic number, because the mean of its divisors is an integer number (16479225).

Almost surely, 2^155061166 is an apocalyptic number.

155061166 is a deficient number, since it is larger than the sum of its proper divisors (108606434).

155061166 is a wasteful number, since it uses less digits than its factorization.

155061166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 313923.

The product of its (nonzero) digits is 5400, while the sum is 31.

The square root of 155061166 is about 12452.3558413659. The cubic root of 155061166 is about 537.2391852357.

The spelling of 155061166 in words is "one hundred fifty-five million, sixty-one thousand, one hundred sixty-six".