161166514 has 16 divisors (see below), whose sum is σ = 254191320. Its totient is φ = 76527360.

The previous prime is 161166491. The next prime is 161166527. The reversal of 161166514 is 415661161.

161166514 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 119137225 + 42029289 = 10915^2 + 6483^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19239 + ... + 26314.

Almost surely, 2^161166514 is an apocalyptic number.

161166514 is a deficient number, since it is larger than the sum of its proper divisors (93024806).

161166514 is a wasteful number, since it uses less digits than its factorization.

161166514 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45645.

The product of its digits is 4320, while the sum is 31.

The square root of 161166514 is about 12695.1374155619. The cubic root of 161166514 is about 544.1996658399.

The spelling of 161166514 in words is "one hundred sixty-one million, one hundred sixty-six thousand, five hundred fourteen".